In which Hank does some push-ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP.

Special thanks go to Stafford Fitness (www.staffordfitness.net) for allowing us to shoot the gym scenes in their facilities.

This video uses sounds from Freesound.org

Table of Contents:
1) Cellular Respiration 01:00
2) Adenosine Triphosphate 01:29
3) Glycolysis 4:13
A) Pyruvate Molecules 5:00
B) Anaerobic Respiration/Fermentation 5:33
C) Aerobic Respiration 6:45
4) Krebs Cycle 7:06
A) Acetyl COA 7:38
B) Oxaloacetic Acid 8:21
C) Biolography: Hans Krebs 8:37
D) NAD/FAD 9:48
5) Electron Transport Chain 10:55
6) Check the Math 12:33

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Watch this episode uncensored & ad-free on Patreon: https://patreon.com/dannyjones
Jack Kruse is a neurosurgeon who focuses on the study of physics, light, magnetism, and electricity. He ultimately concluded that modern medicine lacked a deep understanding of how humans function in relation to the natural world.

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OUTLINE
00:00 - Making America healthy
18:23 - Dr. Becker & the body's electric current
28:35 - who built Las Vegas
36:04 - MK-ULTRA's blue light weapon
43:38 - Marshmello experiment
01:00:11 - Mysterious nuclear medical device
01:12:09 - Unconventional weapons
01:25:37 - The NEW MK-Ultra
01:35:14 - Funding black operations
01:43:14 - Why the deep state hates Trump
01:49:18 - Follow the money
01:54:25 - Rick Rubin
01:59:08 - Allodial money
02:07:43 - Uniting America
02:15:44 - JFK
02:28:42 - Saving Rick Rubin's life
02:30:54 - Dealing w/ death as a neurosurgeon
02:42:43 - 20-hour brain surgery
02:46:20 - Methylene blue
02:51:02 - Unconventional brain surgery techniques
03:03:50 - How the human body creates light
03:09:37 - Red light can repair vision
03:13:35 - Dom D'Agostino & ketosis
03:21:31 - Blue light & testosterone
03:30:42 - Debunking health trends
03:32:18 - Jack's personal health protocol
03:37:30 - Why the human body works better in cold
03:42:14 - How humans will survive on Mars
03:48:07 - Neuroplasticity
04:01:40 - Making skin invisible
04:07:57 - Muscle is bad for longevity

How does your body regulate your internal conditions? How does it detect changes and respond to them? What is an automatic control system and how does it use negative feedback?
Find out all this and more in less than 5 minutes!

How does a cell decide whether to become a mom-cell or a dad-cell? Scientists once thought it was completely random. But experiments with mice showed that an entire organ, an eye, for example, can be mostly mom-cells or mostly dad-cells. It’s not random! It’s a mystery how the cell decides.

Scientists know the X chromosome much better. It’s part of the system that determines whether we become male or female. If an egg inherits an X chromosome from both parents, it becomes female. If it gets an X from its mother and a Y from its father, it becomes male.

But the X chromosome remains mysterious.

For one thing, females shut down an X chromosome in every cell, leaving only one active. That’s a drastic step to take, given that the X chromosome has more than 1,000 genes.

In some cells, the father’s goes dormant, and in others, the mother’s does. While scientists have known about this so-called X-chromosome inactivation for more than five decades, they still know little about the rules it follows, or even how it evolved.

In the journal Neuron, a team of scientists has unveiled an unprecedented view of X-chromosome inactivation in the body. They found a remarkable complexity to the pattern in which the chromosomes were switched on and off.

At the same time, each copy of the X chromosome contains versions of genes not found on its partner. So having two X chromosomes gives females more genetic diversity than males, with their single X chromosome. Because of that, females have a genetic complexity that scientists are only starting to understand.

Video Editor: Team 121 Creators (https://bit.ly/team121x)
Narration: Sidhart Viyapu (https://bit.ly/sidvoice)
Project Head: Rajkumar Shukla
Production: World Of Science Media (https://theworldofscience.co)

©2022, World Of Science (WOS) Media. All Rights Reserved.

-~-~~-~~~-~~-~-
Please watch: "The $1 Trillion Project Of Turning Sahara Green Again! What Could Go Wrong?" - https://youtu.be/mA77Pmwx9r0
-~-~~-~~~-~~-~-

Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well.

This video uses sounds from Freesound.org.

Citations:
http://biology.about.com/od/pl....antbiology/a/aa05060
http://www.rsc.org/Education/T....eachers/Resources/cf
http://www.ncbi.nlm.nih.gov/books/NBK21598/
http://www.life.illinois.edu/g....ovindjee/paper/gov.h
http://scienceaid.co.uk/biolog....y/biochemistry/photo
http://www.biology-innovation.....co.uk/pages/plant-bi
http://chemistry.about.com/od/....lecturenotesl3/a/pho
http://www.bio.umass.edu/biolo....gy/conn.river/calvin
http://www.talkorigins.org/faq....s/thermo/probability

Table of Contents:
1) Water 1:16
2) Carbon Dioxide 1:32
3) Sunlight/Photons 1:43
4) Chloroplasts 1:57
5) Light Reaction/Light-Dependent 2:42
a. Photosystem II 3:33
b. Cytochrome Complex 5:54
c. ATP Synthase 6:16
d. Photosystem I 7:06
6) Dark Reactions/Light-Independent 7:55
a. Phase 1 - Carbon Fixation 8:50
b. Phase 2 - Reduction 11:31
c. Phase 3 - Regeneration 12:02

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A biologist’s natural habitat is anywhere questions about life are being asked—whether the subject is a nematode or a narwhal, a single cell, or a whole ecosystem. In this episode of Crash Course Biology, we’re flipping the microscope around to show how biologists’ work goes down. Along the way, we’ll learn why zebrafish and fruit flies are some of biology’s next top models.

Chapters:
Studying Life 00:00
Your Local Biologist 1:20
Biologists At Work 3:05
Real Life Biologists 5:17
Model Organisms 8:49
Review & Credits 11:10

This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information.

Sources: https://docs.google.com/docume....nt/d/1GLDtAXE6ekg4Ch

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Hank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells.

References:
http://www.nature.com/nature/dna50/watsoncrick.pdf
http://publications.nigms.nih.....gov/thenewgenetics/c
http://rst.gsfc.nasa.gov/Sect20/A12.html
http://www.nature.com/scitable..../topicpage/discovery
http://www.uic.edu/classes/phy....s/phys461/phys450/AN
http://www.buzzle.com/articles..../dna-replication-ste
http://www.dnareplication.info..../stepsofdnareplicati
http://salamandercandy.wordpre....ss.com/2007/02/05/ho
http://www.sdsc.edu/ScienceWomen/franklin.html
http://www.fmi.ch/members/mari....lyn.vaccaro/ewww/dna
http://www.strangescience.net/rfranklin.htm

1:41 link to Biological Molecules http://www.youtube.com/watch?v=H8WJ2KENlK0

Table of Contents:
1) Nucleic Acids 1:30
2) DNA
-A) Polymers 1:53
-B) Three Ingredients 2:12
-C) Base Pairs 3:45
-D) Base Sequences 4:13
3) Pop Quiz 5:07
4) RNA 5:36
-A) Three Differences from DNA 5:43
5) Biolography 6:16
6) Replication 8:49
-A) Helicase and Unzipping 9:22
-B) Leading Strand 9:38
-C) DNA Polymerase 10:08
-D) RNA Primase 10:24
-E) Lagging Strand 10:46
-F) Okazaki Fragments 11:07
-F) DNA Ligase 11:47

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Producer: Brian McManus (https://www.youtube.com/c/realengineering)

Imagery courtesy of Getty Images

[1] https://www.koko.org
[2] https://gorillafund.org/uncate....gorized/gorilla-anat
[3] https://www.strengthlog.com/de....adlift-strength-stan
[4] https://archive.org/details/in.....ernet.dli.2015.1156
[5] https://anatomypubs.onlinelibr....ary.wiley.com/doi/10
[6] https://journals.physiology.or....g/doi/full/10.1152/j
[7] https://gorillafund.org/uncate....gorized/gorilla-anat
[8] https://pubmed.ncbi.nlm.nih.gov/2843616/
[9] https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC29646
[10] https://open.lib.umn.edu/vetph....ysioapplied/chapter/
[11] https://pubmed.ncbi.nlm.nih.gov/23754526/
[12] https://journals.plos.org/plos....biology/article?id=1
[13] https://www.eva.mpg.de/fileadm....in/content_files/pri
[14] https://gorillafund.org/uncate....gorized/gorilla-comm
[15] http://www.gorillagestures.info/index.htm
[16] https://www.koko.org/about/programs/project-koko/interspecies-communication/sign-language/
[17] https://www.tandfonline.com/do....i/pdf/10.1080/004379
[18] https://www.nationalgeographic.....co.uk/animals/2018/

This video focuses on general functions of biomolecules. The biomolecules: carbs, lipids, proteins, and nucleic acids, can all can have important functions in the body. However, this video is *not* giving human dietary guidelines and should *not* be used in any attempt to do so. *This is a video about the biomolecules. For your dietary needs, consult with a dietitian or medical doctor.* Video has been dubbed using an artificial voice via https://aloud.area120.google.com to increase accessibility. You can change the audio track language in the Settings menu.

Table of Contents:
00:00 Intro
0:40 What is a monomer?
1:08 Carbohydrates
2:04 Lipids
4:09 Proteins
5:15 Nucleic Acids
6:44 Biomolecule Structure

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: http://www.amoebasisters.com/about-us.html

REFERENCE:
We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: https://openstax.org/details/books/biology

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Seasons by ANBR
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A Tender Heart by The David Roy Collective
A Contrite Spirit by The David Roy Collective

References:

[1] ​​https://onlinelibrary.wiley.co....m/doi/abs/10.1111/j.
[2] https://sora.unm.edu/sites/def....ault/files/journals/
[3] https://digitalcommons.esf.edu/cgi/viewcontent.cgi?article=1083&context=honors#:~:text=Owls%20were%2025%25%20more%20successful,ANOVA%2C%20P%20%3D%200.077).
[4] https://link.springer.com/arti....cle/10.1007%2FBF0017
[5] https://www.sciencedirect.com/....science/article/abs/
[6] https://journals.biologists.co....m/jeb/article/215/6/
[7] https://bechly.lima-city.de/Grzimek.pdf
[8] https://www.sciencedirect.com/....science/article/pii/
[9] https://journals.sagepub.com/d....oi/abs/10.1177/09544
[10] https://link.springer.com/arti....cle/10.1007/BF006935
[11] https://www.sciencedirect.com/....science/article/abs/
[12] https://www.sciencedirect.com/....science/article/abs/
[13] https://www.nature.com/articles/nature14078
[14] https://www.sciencedaily.com/r....eleases/2010/10/1010
[15] https://news.ucsc.edu/2012/06/giant-insects.html

Population growth curve| Organism and population| Ecology| Growth models Ecology

#shorts #shivamrajaiims #neetexam #neet2025 #biology #comedy #funny


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Ecology class 12 NEET| Organism and population

#shorts #shivamrajaiims #neetmemes #neetexam #funny #biology

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#ifas #csir #net #lifescienceexam #photosynthesis #neet #lightreaction #shortsviral
Dive into the fascinating world of plant biology with this quick and engaging experiment ! In just 60 seconds, we'll show you how to observe photosynthesis happening right before your eyes.
Watch as we set up a simple yet powerful demonstration using common household items:
A leafy aquatic plant (like spinach)
A clear glass container
Water
Sodium bicarbonate (baking soda)
A bright light source

See the magic unfold as tiny oxygen bubbles start forming on the plant's leaves when exposed to ligh. We'll explain how this visible process relates to the light-dependent reactions of photosynthesis.

But wait, there's more! We'll also show you how to:
Measure the rate of photosynthesis by counting bubbles
Alter light intensity to see its effect on oxygen production
Change CO2 levels using baking soda and observe the results

This video is perfect for students, teachers, or anyone curious about how plants convert light into energy. No fancy lab equipment needed – just your eyes and a sense of wonder!

Like, share, and subscribe for more bite-sized science experiments that bring textbook concepts to life. Let's make learning about photosynthesis fun and accessible for everyone6!
#Photosynthesis #ScienceExperiment #PlantBiology #STEM #YouTubeShorts #Explore #WatchNow #FYP #ForYouPage.

This video covers the structure and function of the heart, the double circulatory system, the associated blood vessels, pacemaker cells and the coronary arteries.

Learn biology by watching back to back videos about the Parts of the Body, The Five Senses, Parts of Plants, Photosynthesis and Many More with Dr. Binocs.

The Compilation includes -

0:21 - Parts Of The Body
2:43 - The Five Senses
6:27 - Bones
10:24 - The Water Cycle
13:13 - Parts of A Plant
16:10 - Photosynthesis
19:32 - Parts Of Flower And Pollination
23:09 - What Is A Food Chain?
26:16 - Micro-Organisms
30:03 - Hibernation
32:48 - Why Does A Chameleon Change Colors?

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This is how we go from single cells to people.
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EVO-DEVO
Huxley
B. Mac.
Oh Carroll, Carroll
Gould, Stephen Jay yeah
D-D-D-D-Davidson and Peter

See
One cell divide and decide on a thousand fates
Did you ever figure how they know?
B. Mac.
We
Are built of modules combined in a planned out way
Each new piece must be told where to go
Oh

Now there's a science helping us to understand
How our cells encode this architectural plan
Signalling each other with genetic tools oh
Oh yeah

Wow
Phenotype the interface for mouse and man
Genotype the files and the subprograms
What then are the switches, circuit boards and boot code?

Evo-Devo
Looking at the logic in the ways that we grow
Every gene directed by a signal key code
Proteins that can activate, enhance or veto
Evo-Devo
Signals are controlled by other genes that signal
Calculating in a network labyrinthal
Where the heart and liver and the hands and feet go

Signal mapping tells each region what it ought to be yo
With circuits so deeply built upon
They're older than the Paleo
The Paleozoic Era baby
In a crucial pathway changes tend to get torpedoed
Where they go calamity goes
As this cyclopic sheep knows..

See down they cascade like a domino
Like you and I drosophila
The path that makes us optical
Was laid a long long time ago
Back before we blew up the cambrian like a bomb bomb
Now my eye protein can make you see out of your bom bom
And Hedgehog and its relatives like Indian and Sonic
Set up set up in a gradient on segments embryonic
Split forebrains and asymmetric parts depend upon it
Flipping on genetic switches and logic
From devo to evo
Adult and embryo
Mostly don't evolve in the genes of the genome
Safer the mutation aimed at regulation
Keep the building blocks and swap their activation
From devo to evo
Parts have alter egos
Homologs evolved from repeats in the schema
Switch a couple bases in the proper places
You'll be watching flies grow legs out of their faces oh yeah

Evo-Devo
Stick around for Modern Synthesis the sequel
Only by combining can a new theory grow
Evolution and development amigos
Evo-Devo
Signals trigger patterns of complexity so
Switching up the switches of a signalling node
Gives a modular and simple way to evolve

Look at how our spinal segments generate a neat row
Built on a molecular clock
One cycle, one vertebra
One vertebra one vertebra baby
Speeding up its rate is snakes' developmental cheat code
That and where a lizard's feet grow
They turn off distal aminos

Evo-Devo
This is how we go from single cells to people
Every generation and in life primeval
Life in variations endless and beautiful

Badaboom

From devo to evo
Larva to mosquito
Patterns are resolved as the signals proceed yo
Map out a gene with a glow tag
Kill it with a morpholino
Short oligo morpholino baby

From devo to evo
Voyage of the Beagle
Body plans evolve when proteins steer the genome
In this manner life's beauty grows
Aesthetica in vivo

Evo-Devo

Jay Wheeler "BIOL-101"

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Letra:

Desde la universidad
Me encanta porque ella es diferente a las demás
Sus padres no saben que a ella le gusta la maldad
Se escapa conmigo
A donde no hay testigos
Y si te digo la verdad
Ella se transforma Cuando estamos en la intimidad Los dos arrebatao’ no sentimos la gravedad
Y si es por mi no termino
Bebe no termino

Cómo se siente
Bellaquear contigo es algo diferente
Tan rico que una noche nunca es suficiente
Que rico se siente
Que rico se siente

Durududu duruduru
Durududu duruduru
Durududu duruduru
Que rico se siente
Durududu duruduru
Durududu duruduru
Durududu duruduru

(Siente bellaquear contigo es algo diferente
Tan rico que una noche nunca es suficiente
Que rico se siente)

Es que tu eres mi debilidad
En tu ropa interior puedo sentir la humedad
Y en la cama conmigo tiene otra personalidad

Y si te digo la verdad
Ella se transforma Cuando estamos en la intimidad
Los dos arrebatao’ no sentimos la gravedad
Y si es por mi no termino
Bebe no termino

Cómo se siente
Bellaquear contigo es algo diferente
Tan rico que una noche nunca es suficiente
Que rico se siente
Que rico se siente

Durududu duruduru
Durududu duruduru
Durududu duruduru
Que rico se siente
Durududu duruduru
Durududu duruduru
Durududu duruduru

(Siente bellaquear contigo es algo diferente
Tan rico que una noche nunca es suficiente
Que rico se siente)


#JayWheeler #BIOL-101 #LaVozFavorita

(C) 2021. Dynamic Records Inc & Flow Music.

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Hi Everyone! This narrated lecture corresponding with Chapter 1 of the Campbell Biology textbook.

📚 CURRICULUM
I use Campbell's Biology and Openstax to help with curriculum content.

OpenStax:
Clark, M. A., Douglas, M., & Choi, J. (2018). Cell communication. In Biology 2e. OpenStax.
Access for free at https://openstax.org/books/bio....logy-2e/pages/1-intr

You can also purchase the Openstax hardcover text for less than $50
https://amzn.to/3psMjix

🔥 SUPPLIES FAVORITES

Black Flair felt tip marker pens (I won't take notes in anything else)
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Double-ended Pastel Highlighters
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The BEST Pastel highlighters
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Whitelines notebooks - 3 pack
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Videos Mentioned
Carl Sagan - Pale Blue Dot
https://www.youtube.com/watch?v=wupToqz1e2g

⏰ Timestamps

0:01 Intro
0:37 Suggested Study Flow
4:13 Objectives
5:18 Chapter 1
Life's 5 Unifying Themes
8:47 Theme 1: Organization
11:51 10 Levels of Organization
13:00 The Cell
17:33 Structure & Function
19:22 Theme 2: Information
25:05 Theme 3: Energy & Matter
26:50 Theme 4: Interactions
27:36 Feedback Regulation
Theme 5: Evolution 29:00
32:33 Classification System
36:17 Darwin's Theory
41:30 Chapter Objectives
41:49 Scientific Inquiry
48:55 The Scientific Method
56:43 Theories

Copyright Notice
This video and its content is copyright of Jennifer Skorupa - © J. Skorupa 2021. All rights reserved. Any redistribution or reproduction of part or all of the contents in any form is prohibited other than the following:
• you may print or download to local hard disk extracts for your personal and non-commercial use only
You may not, except with our express written permission, distribute or commercially exploit the content. Nor may you transmit it or store it in any other website or other forms of an electronic retrieval system.

#biologylecture #biologycrashcourse #collegebiology #biology #college #cell #education #educational #cellbiology #evolution

I know the audio is pretty bad on this. Sorry! I created a new version of this content (broken into several smaller videos because my students really hate hour and a half lectures) that can be found here: https://youtu.be/zoTHIq8QxIE

Here is also a link to the new BIO 101 playlist: https://youtube.com/playlist?list=PL3WDSce8NaH5z3iibhbOnRzii0DDTavcp&feature=shared

If you are interested, here is a link to the new BIO 102 playlist: https://youtube.com/playlist?list=PL3WDSce8NaH4bpkFk_am9vOyGrrqTSAH7&feature=shared

How does the human body work? What roles do the digestive, reproductive, and other systems play? Learn about human anatomy and the complex processes that help your body function.
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National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.

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Human Body 101 | National Geographic
https://youtu.be/Ae4MadKPJC0

National Geographic
https://www.youtube.com/natgeo

اول واهم محاضرة في مادة ال Biology مع المحاضرة المتميزة زين العناني ❤️

طبعاً لا تنسو انو الدوسية هي اهم خطوة نحو الA بمادة ال Biology
واكيد ما في دوسية افضل من دوسية زين!

للمزيد من التفاصيل حول الشرح والدوسية تواصلو معنا من خلال الرابط :
bit.ly/SalesUNI

#شرح #biology101 #جامعه

This video explains how the structure of the atom is directly responsible for the shape of the Periodic Table, and allows scientists to read the personality of each kind of atom due to its position. Protons, electrons, and neutrons explain everything about how an atom works and the making of the periodic table itself.

00:15 Scientists J J Thompson (1897), E Rutherford (1907) and J Chadwich (1932) discovery
00:25 Smaller particles: Positively charged protons and electrically neutral neutrons in the center called nucleus
00:51 The Nucleus
01:23 The atom is mainly empty space
01:46 Henry Moseley (1913) discovered that Atomic Number = Number of Protons
02:32 Number of protons = Number of electrons (in a neutral atom)
03:10 Isotopes
03:25 Atomic Mass Unit AMU
04:30 Neutorns have a big effect on the atomic weight but do not matter much in making chemical bonds
04:50 Electron Shells
05:15 Electrons are like guests in a hotel
06:20 Quantum Jump
06:38 Valence Electrons
07:00 Hydrogen
07:35 Helium
08:15 The Periodic Table
08:22 Lithium
08:52 Beryllium
09:00 Boron
09:17 Carbon
09:23 Nitrogen
09:30 Oxygen
09:35 Fluorine
09:39 Neon
09:55 Third shell
10:00 Sodium
10:30 Magnesium
10:40 Alkaline Earth Metals - the same number of valence electrons
11:53 Period 3
13:20 They can explain almost all of chemistry
13:38 Periodic Table Trends
14:00 Next video URL:

Video transcript:
“
To explain how atoms behave, we need to look inside them.
About a hundred years ago scientists discovered that atoms aren’t like tiny solid marbles as they thought, but made of three much, much smaller particles - positively charged protons and electrically neutral neutrons in their centre, called the nucleus, and negatively charged electrons orbiting on the outside in shells. See our video about how scientists discovered protons, electrons and neutrons at the link in the descrIption:
https://www.youtube.com/watch?v=kBgIMRV895w

THE NUCLEUS
The nucleus is much smaller than shown here in the diagram. If an atom were the size of a football stadium, then its nucleus would be the size of a pea. This means the atom is mostly empty space. And so are YOU.
Even though the nucleus is tiny, it makes up over 99.9% of the atom’s mass. That’s because protons and neutrons are 2 thousand times heavier than electrons. So they don’t matter much.
In 1913, Henry Moseley discovered that an element’s Atomic Number was always the same as the number of protons in its nucleus. What a coincidence! This is now the modern definition of Atomic Number.
This atom has 5 protons so its Atomic Number is 5. This is the number above the element’s symbol on the PT. Which element is it? …. Boron.
In an electrically neutral atom, the number of positive Protons must equal the number of negative electrons so that their charges cancel. So a boron also has 5 electrons. The job of neutrons is to overcome the proton-proton repulsions, and to keep the nucleus together. Most boron atoms use 6 neutrons to stabilize their nuclei, but some can get away with 5. The number of neutrons can vary between atoms of the same kind, so scientists give these a special name- isotopes. So boron has two! isotopes.
Protons and neutrons both have a mass of about 1 atomic mass unit, or amu, or just u, or even the Dalton. They all mean the same thing, which is a bit annoying. Call me old fashioned, but I prefer amu. Scientists use this tiny mass unit for atoms as grams or pounds are too big. Electrons weigh hardly anything. So the atom’s mass is just the sum of its protons and neutrons. Both boron's have 5 protons, so its 6-neutron isotope would weigh 11, and its 5-neutron isotope 10 amu. It’s Atomic Weight shown on the PT is 10.8 and is the average of its two isotopes. It’s is closer to 11 because it’s the more abundant one.
Neutrons have a big effect on Atomic Weight, but don’t matter much in making chemical bonds, which we’re interested in here. So we’ll just look at protons and electrons from now on. Bye, bye neutrons. And Atomic Weights.
ELECTRON SHELLS
The first electron shell can accommodate 2 electrons before it’s full, while the 2nd shell can accommodate up to 8. This is why boron has only 2 electrons in its 1st shell, and the remaining 3 electrons in the 2nd shell.
Electrons are like guests in a hotel. Here’s a normal hotel. And here’s the Quantum Hotel that better shows how electrons fit around an atom. The 1st floor can take 2 guests before it’s full, the 2nd floor also 8, the 3rd floor 8, and the 4th and 5th 18 each. When a floor is full a new arrival is sent to the next floor up. This guest on the 4th floor has more energy than the guests below, which she would find out if she jumped. When she lands, the energy she had turns into sound energy. Electrons in higher levels also have more energy, and when they jump down, light energy is emitted instead. This is called a quantum jump.
“

Whacky colour changes, magic disappearing water, blowing up dustbins, clouds of steam, thunder air explosions. Are you ready to fasten your seatbelts and enjoy the ‘explosive’ journey?

In his talk, Andrew aims to promote chemistry as the science of remarkable changes, which are often overlooked yet so important in our everyday life. And he does it brilliantly by performing an incredible series of 25 experiments in 15 minutes, totally amazing the audience (who rewards him with a long and deserved standing ovation)!

Andrew Z. Szydło is an internationally acclaimed chemistry teacher. But he’s definitely not the typical chemistry teacher you would expect…

He holds a PhD in the History and Philosophy of Science from UCL, and is an expert on the history of alchemy (his 1994 book ‘Water Which Does Not Wet Hands’ is considered to be the standard reference work on the Polish alchemist Michael Sendivogius.)

But his polymath spirit extends further: he’s a violin, bugle and accordion player, as well as a professional photographer. Throughout the years Andrew has wowed audiences all around the world with his pyrotechnical approach to teaching and demonstrating chemical sciences on stage and has appeared many times on TV. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the universe, and it has a wealth of information to tell us if we can learn to read it.

Watch this video in Spanish on our Crash Course en Español channel! https://youtu.be/AmOl0v_3jsc

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
Download it here for Apple Devices: https://apple.co/3d4eyZo
Download it here for Android Devices: https://bit.ly/2SrDulJ

Table of Contents
Dmitri Mendeleev - 0:45
Mendeleev's Organization of the Periodic Table - 2:31
Relationships in the Periodic Table - 5:03
Why Mendeleev Stood Out from his Colleagues - 7:09
How the Periodic Table Could be Improved - 8:28

More info about the cylindrical periodic table of elements: http://www.av8n.com/physics/periodic-table.htm

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This video provides a basic introduction for college students who are about to take the 1st semester of organic chemistry. It covers topics such as polar and nonpolar bonds, ionic & covalent bonding, alkanes, alkenes, alkynes, bond length, bond strength, sigma & pi bonds, hybridization, formal charge, functional groups and drawing lewis structures.

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Organic Chemistry PDF Worksheets:
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_______________________________________
Full 1 Hour 42 Minute Video on YouTube:
https://www.youtube.com/watch?v=jxvU_GH3mWo

IUPAC Nomenclature:
https://www.youtube.com/watch?v=TYU_JluleME

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Chemistry is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy. Understanding basic chemistry concepts is important for almost every profession. Chemistry is part of everything in our lives.

In this video Chemistry 101 - Atomic Structure, we study atomic structures which refers to the structure of an atom that comprises of Nucleus, Protons, and Neutrons.

Nucleus - is the positively charged center of the atom consisting of protons and neutrons.
Protons - Positively charged subatomic particle forming part of the nucleus of an atom
Neutrons - A subatomic particle forming part of the nucleus of an atom.

Our collection of videos in Chemistry covers most of the syllabus for exams such as WAEC, NECO, JAMB, and GCE.

atomic structure and theory
atomic structure chemistry
atomic structure elements
atomic structure explained
chemistry syllabus for jamb 2020
chemistry topics
chemistry branches

Mobile classroom application is bridging the gap between students and learning by giving them the opportunity to take classes online from anywhere in Nigeria.

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Breaking down all you need to know to keep your hot tub water clear. Alkalinity, PH, Calcium, Testing, Enzymes and Chlorine.
A 8 minute walkthrough on key concepts and a guide on the routine Chris follows with his own hot tub.

Find more at https://hottubuniversity.com/