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Earth Science: Lecture 2 - Atoms and Chemical Bonds

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Earth Science: Lecture 2 - Atoms and Chemical Bonds

Cathode ray tube video: bit.ly/2fPDqKl
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Earth Science: Lecture 1 - Introduction to Earth Science

Additional videos to watch before Lecture 2:
Interactive scale of the Universe:
1) Scale of the Universe video:
2) Star sizes video:
3) Asteroid discovery video:
4) The most astounding fact video:
5) Why is the milk gone video:
6) You are here video:

This is the first video I have recorded in quite some time. I apologize for the excess uhm and uhh sounds. Those should be worked out in time!
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Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

Atoms are a lot like us - we call their relationships bonds, and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress situation possible. The nature of the bond between atoms is related to the distance between them and, like people, it also depends on how positive or negative they are. Unlike with human relationships, we can analyze exactly what makes chemical relationships work, and that's what this episode is all about.

If you are paying attention, you will learn that chemical bonds form in order to minimize the energy difference between two atoms or ions; that those chemical bonds may be covalent if atoms share electrons, and that covalent bonds can share those electrons evenly or unevenly; that bonds can also be ionic if the electrons are transferred instead of shared: and how to calculate the energy transferred in an ionic bond using Coulomb's Law.

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:
Download it here for Android Devices:

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Table of Contents
Bonds Minimize Energy 01:38
Covalent Bonds 03:18
Ionic Bonds 05:37
Coulomb's Law 05:51

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Want to find Crash Course elsewhere on the internet?
Facebook -
Twitter -
Tumblr - Support CrashCourse on Subbable:
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Earth Science: Lecture 3 - Minerals

Streak demo video: goo.glMdH5j9
Habit demo video: goo.glvaVDiS
Chemical test video: goo.gl/5L3gns
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Earth Science: Lecture 4 - The Rock Cycle and Igneous Rocks

Igneous rock composition video: bit.ly/2QwXwaK
Hawaii lava video: bit.ly/2jHdlxt

Note, my dog was very distracting at times in this video so I apologize for any extra noise or anything!

Lecture 2 Forming planet Earth

Lecturer: Dr Christopher White
Location: Lone Star College University Park

Properties of Minerals ( Earth Science/ Earth and Life Science)

2. Chemical Bonding and Molecular Interactions; Lipids and Membranes

MIT 7.016 Introductory Biology, Fall 2018
Instructor: Barbara Imperiali
View the complete course:
YouTube Playlist:

Professor Imperiali covers the basics of covalent and non-covalent chemical bonding. She then focuses on lipids, their structures and properties, and the formation of lipid bilayers.

License: Creative Commons BY-NC-SA
More information at
More courses at

Earth Science Lecture 2: Earth System Science

I do not own the majority of photos or clips in this video. Their use is strictly for education.

From Pangea to Modern Coastlines:
One Gallon of Gasoline and Fire! =
Link to the vultures article

Earth Science: Lecture 5 - Sedimentary Rocks

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Earth Science - Earth Systems - 4 Spheres

What is Earth Science ? What is its Importance
The Earth System and 4 Spheres of the Earth
What are the functions of the spheres

If you liked the video please SUBSCRIBE to this channel.
Don't forget to click the Notification BELL

The Origin of the Universe - Big Bang Theory


Life Cycle of Stars from Birth to Death


The Solar System : The Sun, Its Layers and Solar Activities


The Solar System : The Planets Terrestrial Planets and Gas Giants


Our View of Galaxies from Earth Short Video


Earth Science : Anti Introduction


Earth Science - Earth Systems - 4 Spheres


Earth Science - Earth's Atmosphere



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#earthscience #earthandlifescience
#earthsciences #earthsciencereview

Biology 1, Lecture 2: Chemistry of Life

This is a very basic introduction to chemistry with a focus on chemistry that is especially important to life on Earth.

Earth Science Lesson 2

BIO6 Lecture 2 - Chemistry

Lecture 2 - A basic overview of chemistry, atoms, molecules, covalent bonds, properties of water, acids and bases, and macromolecules.

Mod-01 Lec-02 Atomic Bond and Crystal Structure

Principles of Physical Metallurgy by Prof. R.N. Ghosh,Department of
Metallurgy and Material Science,IIT Kharagpur.For more details on NPTEL visit
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Lecture 1: Biochemsitry -Atom, Atomic number, Atomic mass, Isotope, Radioisotope

Points covered in this lecture:
8:40 What is matter?
13:35 How many elements are known?
18:00 How many elements are present in biological system?
24:12 Why six elements CHONPS are common in biological system?
32:32 Why life is carbon based not silicon based?
39:21 Why elemental composition do not match with life?
45:55 Structure of atom
53:28 What is atomic number?
59:15 What is atomic mass?
1:03:22 What are isotopes?
1:11:45 What are radioisotopes?
1:18:15 What is alpha, beta and gamma decay?
1:31:57 Are atomic mass and atomic weight same?
1:37:25 What are isobars and isotones?

We are making all our CSIR NET Life Science Live Classes and Video Classes free until your Coaching resumes.

Learn uninterrupted & get the best quality Education - all from the Safety of your home.

Continue your studies on IFAS Online platform i.e. IFAS YOUTUBE CHANNEL. We want to make sure you don’t miss your studies.

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Share with all your friends / juniors and seniors !!
Cheers !!
Your IfAS Team

Anatomy & Physiology Chapter 2 part A Chemistry Lecture

Chapter 2 Basic Chemistry and BioChemistry, A&P Lecture.

Please be sure to view Chapter 2 Part B at:

Please leave questions or comments below or you may email me at: fmajoo@gmail.com

Text: Elaine Marieb & Katja Hoehn Human Anatomy and Physiology 10th edition. Pearson Education Inc 2016. The Human Body: An Orientation.

Topics covered:

Matter & Energy: Basic Chemistry

Matter, States of Matter,Energy,Forms of Energy, Chemical Energy, Mechanical Energy, Electrical Energy, Radiant or Electromagnetic Energy,Kinetic vs potential Energy,Energy forms conversion,

atoms and elements:
atoms, elements, atomic symbol,protons, neutrons, electrons,planetary model, orbital model, atomic number, atomic mass,isotopes, atomic weight,Molecule, compound, radioisotopes

molecules and mixtures:
solutions,molarity, moles, molarity, solvent, solute,Avogadro’s number, colloids ,mixtures and compounds

chemical bonds:
electron shells, octet rules, valance shell, energy levels, ionic bonds, covalent bonds, polar covalent bonds, nonpolar covalent bonds, hydrogen bonds

chemical reactions:
decomposition, catabolism
synthesis, anabolism
exchange reactions, reduction-oxidation, REDOX, exergonic reactions, endergonic reactions, catalyst, enzymes

Earth Science Lecture 2: Minerals

In this video, I discuss minerals; the building blocks of the geosphere. Video includes a description of what minerals are and the common mineral groups.

Gen Chem II - Lec 2 - Intermolecular Forces And Phases Of Matter

This second lecture is actually the first that covers new material for second semester. First, we take a look at phases of matter, and the differences between each phase by looking at distinguishing properties (Density, Shape, Compressibility, Intermolecular Force strength). Solids and Liquids have intermolecular forces that hold the particles close together. We discuss temperature in terms of molecular motion, and describe phase changes (melting/boiling) as occuring because the molecules are literally shaking too much and result in the interactions being broken. We also discuss pressure effects on phase boiling a little bit. We discuss the direct relationship between intermolecular interactions and melting and boiling points. Then we get into the 3 main types of intermolecular interactions: dispersion (also called temporary dipoles or van der Waals), dipole-dipole and hydrogen bond. We do several examples, including the boiling points of the alkanes. These examples require the lewis structure and molecular shape to be known.

Introduction is filmed on location at Waikiki Beach in Honolulu, HI.

For your convenience, here are links to slides, transcripts and captions:

Video slides located here:


Video transcripts located here:


Video captions located here:


General Chemistry II - Lecture 2 - Intermolecular Forces And Phases Of Matter

These videos are being made because I love teaching general chemistry. Also, I want to provide clear videos that are captioned for the deaf and hard-of-hearing, as well as for international students who use English as a second language (ESL). These video lectures are being used to assess such students as well as hearing students. However, any student of general chemistry should find the lectures very useful. Clear and concise explanations, colorful notes, and simple diagrams are used. All videos are uploaded under the Creative Commons license, so please feel free to use them in any way you.

These videos are hard work on my part, and I enjoy making them. If you continue to watch, then you will not only learn chemistry, but also some interesting things about the state of Hawai'i. Each video normally begins with a short clip taken on location, from somewhere in the Hawaiian Islands. And if you are on the island of O'ahu or happen to visit, then please feel free to stop by Leeward Community College say hello.
Enjoy and Aloha !!!

JAT

Jeffrey A Tibbitt, Ph.D
Lecturer of Chemistry
Office PS-206, (808) 455-0264
jtibbitt@hawaii.edu
Leeward Community College
Pearl City, Hawai'i

Lecture 2 Chemistry of Life part 1

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