This chemistry video tutorial explains the difference between elements, atoms, molecules, and ions. It also explains how to distinguish ionic and molecular compounds also known as covalent compounds. Atoms are electrically neutral and contain equal number of protons and electrons. Ions have a net charge and contain a different number of protons and electrons. Positively charged ions are known as cations and negatively charged ions are known as anions. Atoms and Ions have the same number of neutrons. A molecule is particle consisting of multiple atoms. Pure elements are substances composed of one type of atom where as a compound is made up of different types of atoms. Ionic compounds consist of metals and nonmetals and contain ions with charges. Covalent compounds or molecular compounds usually consist of nonmetals.

Chemistry - Basic Introduction:
https://www.youtube.com/watch?v=-KfG8kH-r3Y

Significant Figures Review:
https://www.youtube.com/watch?v=l2yuDvwYq5g

Unit Conversion Problems:
https://www.youtube.com/watch?v=eK8gXP3pImU

Pure Substances & Mixtures:
https://www.youtube.com/watch?v=OHhnm2p5G3o

Physical and Chemical Changes:
https://www.youtube.com/watch?v=YE2xaMsoGFU

_________________________________
Atoms - Basic Introduction:
https://www.youtube.com/watch?v=acdkMeEKCNQ

Cations and Anions Explained:
https://www.youtube.com/watch?v=aAV2DMAI5f8

Diatomic Elements & Molecules:
https://www.youtube.com/watch?v=gi337Mx7wTc

Elements, Atoms, & Molecules:
https://www.youtube.com/watch?v=pSJeMJaCkVU

Protons, Neutrons, & Electrons:
https://www.youtube.com/watch?v=65dDZulPhtg

__________________________________
Average Atomic Mass:
https://www.youtube.com/watch?v=JT18bDAadQ0

What Are Isotopes?
https://www.youtube.com/watch?v=bagegEZBtOs

Percent Abundance of Isotopes:
https://www.youtube.com/watch?v=w-WhwWNC8-Q

Ionic and Covalent Bonding:
https://www.youtube.com/watch?v=uDFLHTDJ4XA

Naming Molecular Compounds:
https://www.youtube.com/watch?v=3agUL7-ezXk

Writing Formulas - Ionic Compounds:
https://www.youtube.com/watch?v=GJ4Mds0CWLE

__________________________________
Final Exams and Video Playlists:
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Join us on this Multiplying Fractions mini-lesson where we'll explain: multiplying fractions by fractions and multiplying fractions by whole numbers. Lesson Guide: https://bit.ly/33DlFV3

This Multiplying Fractions video lesson includes a free lesson guide and Multiplying Fractions Practice worksheet with an answer key. Click the links below to get yours:

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The SAR K12 is like a Tactical Sports but at an attainable price - and the ecosystem for the gun has absolutely exploded.

A list of gear that I like and recommend can be found here: https://www.thehumblemarksman.....com/post/humble-mark

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The opinions expressed through this video are the opinions of the individual author.

Fair Use: In the rare instance I include someone else’s footage it is covered in Fair Use for Documentary and Educational purposes with the intention of driving commentary and allowing freedom of speech.

IMPORTANT: All shooting is done on state-approved firing ranges by trained professionals. Our videos are produced in a safe environment by highly trained professionals with decades of experience. These videos are strictly for educational and entertainment purposes only. Imitation or the use of anything demonstrated in my videos is done AT YOUR OWN RISK. Do not attempt to replicate the actions featured in our videos without the proper training, licensing, and without medical professionals present.

We are not attempting to sell you the items featured in this video. We are not instructing our viewers on how to modify firearms, accessories or otherwise change their basic legal function. All firearms and accessories are legal products commonly available in stores all across the United States. Our videos are for entertainment purposes only. We are not a gun shop and DO NOT sell or deal in Firearms. Such a practice is heavily regulated and subject to applicable laws. I DO NOT sell parts, magazines, or firearms.

Learn the periodic table and improve your science knowledge. This video is great for students at any level who want to either completely learn the periodic table or simply need some help remembering. We use the full periodic table in atomic number order; the symbol is said once followed by the element associated with the symbol.

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Get your SPECIAL OFFER for MagellanTV here: https://try.magellantv.com/simplehistory. It's an exclusive offer for our viewers! Start your free trial today. MagellanTV is a new kind of streaming service run by filmmakers with 3,000+ documentaries! Check out our personal recommendation and MagellanTV’s exclusive playlists: https://www.magellantv.com/explore/history

The Battle of Goose Green was the first land battle of the Falklands War.
Starting in the early hours of the 28th of May and ending the following day, the battle saw men from the British 2nd Battalion of the Parachute Regiment (2 PARA) against an enemy more than three times as numerous.


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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Dejan Milivojevic
Narrator:

Chris Kane
https://vocalforge.com/

Sources:
Fremont-Barnes, Gregory. Goose Green 1982. Dundurn, 2016.
Anderson, Duncan. The Falklands War 1982. Osprey, 2002.
Fremont-Barnes, Gregory. A Companion to the Falklands War. History Press, 2017.
Upshon, Carl. "Battle of Goose Green - How 450 Men from 2 Para Defeated over 1200 Enemy Troops." Medium. July 18, 2017.
The Official History of the Falklands Campaign, Volume 2: War and Diplomacy (Government Official History Series) 28 Jun. 2005
by Lawrence Freedman

Learn how to spell numbers 10, 11, and 12! This math song for kids teaches counting and spelling through music, a proven technique for memorizing math facts. Be sure to watch our other Spelling Numbers videos here: https://youtube.com/playlist?l....ist=PLWLLKChkS0jNwSZ .

Also check out our Quiet Time Learning Songs!
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Learn how to do a translation in Geogebra, learn how to read the instruction and plot it in the site.

Learn the letter R with Ollo the Elephant from Khan Academy Kids!

Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade.

Available on Google Play, Apple, and Amazon app stores:
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➡️ http://khan.co/KhanKids-YT-Apple
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You can also access other letters of the alphabet on our Letters and Letter Sounds playlist here: http://khan.co/KhanKids-Letters

Subscribe to our channel for more videos like this.

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/ap-calculus-bc/bc

Improper integrals are definite integrals where one or both of the _bounderies is at infinity, or where the integrand has a vertical asymptote in the interval of integration. As crazy as it may sound, we can actually calculate some improper integrals using some clever methods that involve limits. Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-bc/bc-antiderivatives-ftc/bc-improper-integrals/v/improper-integral-with-two-infinite-bounds?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC

Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-antiderivatives-ftc/ab-find-definite-int/v/definite-integral-of-absolute-value?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC

AP Calculus BC on Khan Academy: Learn AP Calculus BC - everything from AP Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP Test

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy's AP Calculus BC channel: https://www.youtube.com/channe....l/UC5A2DBjjUVNz8axD-
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

This algebra video tutorial explains how to solve linear equations with fractions.

Access Full-Length Premium Videos: https://www.patreon.com/MathScienceTutor
_______________________________________________________________________________________________
Algebra For Beginners: https://www.youtube.com/watch?v=MHeirBPOI6w
Chemistry For Beginners: https://www.youtube.com/watch?v=-KfG8kH-r3Y
Physics For Beginners: https://www.youtube.com/watch?v=b1t41Q3xRM8
_______________________________________________________________________________________________
Basic Math Review: https://www.youtube.com/watch?v=T_6Mq6PWoGc
Long Division: https://www.youtube.com/watch?v=GiiuZ8sfw00
Order of Operations: https://www.youtube.com/watch?v=saTBf8AO4Ok
How To Evaluate Algebraic Expressions: https://www.youtube.com/watch?v=-VCUcRtQjx8
Percentages Made Easy: https://www.youtube.com/watch?v=WYWPuG-8U5Q
Fractions - Basic Introduction: https://www.youtube.com/watch?v=GvLIEiqxS6s
______________________________________________________________________________________________
How To Solve Linear Equations: https://www.youtube.com/watch?v=7DPWeBszNSM
Solving Linear Equations - More Problems: https://www.youtube.com/watch?v=Z-ZkmpQBIFo
Translating Words to Algebraic Expressions: https://www.youtube.com/watch?v=QEnFIgN8UBw
Graphing Ordered Pairs: https://www.youtube.com/watch?v=yaOf7ioCgFQ
How To Find The Slope of a Line: https://www.youtube.com/watch?v=jlkE4VCnhdE
Finding The Slope Given 2 Points: https://www.youtube.com/watch?v=Id_UqMLAXzY
Undefined Slope: https://www.youtube.com/watch?v=4eYlTOy-IXw
Slope-Intercept Form: https://www.youtube.com/watch?v=qXX47hS2KLw
Slope-Intercept Form to Standard Form: https://www.youtube.com/watch?v=mCzVZptDhvU
How To Find the X and Y Intercepts: https://www.youtube.com/watch?v=zL1E5w2sMxc
Point-Slope Form: https://www.youtube.com/watch?v=yoHs1h5qtuQ
______________________________________________________________________________________________
Graphing Equations In Point Slope Form: https://www.youtube.com/watch?v=XzG-fi__hsU
Graphing Horizontal and Vertical Lines: https://www.youtube.com/watch?v=ADGduYvdFmc
Writing Equations Given a Point & Slope: https://www.youtube.com/watch?v=Ms5ojdI6UuM
Writing Linear Equations Given 2 Points: https://www.youtube.com/watch?v=lzqTD0JWwhY
Writing Linear Equations From Graphs: https://www.youtube.com/watch?v=JaX_dIDUYBg
Finding The Point of Intersection: https://www.youtube.com/watch?v=R0bGxNzgL2o
Writing Equations Given X & Y Intercepts: https://www.youtube.com/watch?v=ri1bagtR08A
Writing Equations In Standard Form: https://www.youtube.com/watch?v=CN4-ty9e5Jk
Writing Equations Using a Function Table: https://www.youtube.com/watch?v=DffvEuX1v60
Parallel and Perpendicular Lines: https://www.youtube.com/watch?v=Uq8pSFaXPmQ
Writing Equations of Perpendicular Lines: https://www.youtube.com/watch?v=Nj6OKT-zKWg
Linear Equations - Test Review: https://www.youtube.com/watch?v=Ft2_QtXAnh8
______________________________________________________________________________________________
Factoring Trinomials & Polynomials: https://www.youtube.com/watch?v=9MUDAr1PnlE
Systems of Equations: https://www.youtube.com/watch?v=oKqtgz2eo-Y
Solving Quadratic Equations By Factoring: https://www.youtube.com/watch?v=qeByhTF8WEw
Simplifying Rational Expressions: https://www.youtube.com/watch?v=uVpsz-xpnPo
Simplifying Radical Expressions: https://www.youtube.com/watch?v=Llrngdh3Rrg
Imaginary Numbers: https://www.youtube.com/watch?v=vRJqPo_zcnQ
Logarithms: https://www.youtube.com/watch?v=kqVpPSzkTYA
Solving Exponential Equations: https://www.youtube.com/watch?v=9tutJ5xrRwg
Arithmetic Sequences: https://www.youtube.com/watch?v=XZJdyPkCxuE
Geometric Sequences: https://www.youtube.com/watch?v=zRKZ0-kOUZM
Conic Sections: https://www.youtube.com/watch?v=YWHyovdHqkg

Learn about the area build simulator.

We hope you are enjoying this video! For more in-depth learning, check out Miacademy.co (https://www.parents.miacademy.co/), an online learning platform with lessons and practice games that go along with our videos. Use coupon code VIDEOSPECIAL for a discount. Good for homeschoolers, Parents, Teachers, or anyone with kids in grades K-8.

Miacademy also offers many hands-on learning activities including a business simulation, writing in the Miacademy weekly, and creating artwork. Teaching social skills is also one of the key values at Miacademy. On the site, kids can interact safely in a moderated environment and share their artwork, videos, and ideas with each other.

How to add and subtract fractions.

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/e/adding_fractions_with_common_denominators?utm_source=YTdescription&utm_medium=YTdescription&utm_campaign=YTdescription

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/v/adding-fractions-with-unlike-denominators?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra

Missed the previous lesson?
https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/v/adding-fractions-with-10-and-100-as-denominators?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra

Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We're about to take off!

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to KhanAcademy’s Pre-Algebra channel:: https://www.youtube.com/channe....l/UCIMlYkATtXOFswVoC

How do you solve word problems with #fractions?
Let's talk about that in this new #MathMondays video.

Watch the other videos here:
Fractions Playlist: https://youtube.com/playlist?l....ist=PLtQqxDEgSqMA0DC
Equation Construction: https://youtu.be/WU-M1RyY00Q

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fractions with different denominators | how to solve mixed fractions addition | Subtraction | fraction to lowest terms | Form | fractions class 6 | 7 | NCERT





Sir Shahid Mathematics Videos

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#fractionaddition
#fractionsubtract
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ALGEBRA | Addition and subtraction of algebraic fractions
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How do companies make money? What are profits? Revenues? How are prices set? This week, Jacob and Adriene are talking business. Whether you're selling cars, pizza, or glow sticks, this video has pretty much all the information you need to run a business. Well, not really, but there's a lot of good stuff in here.

***

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark, Eric Kitchen, Jessica Wode, Jeffrey Thompson, Steve Marshall, Moritz Schmidt, Robert Kunz, Tim Curwick, Jason A Saslow, SR Foxley, Elliot Beter, Jacob Ash, Christian, Jan Schmid, Jirat, Christy Huddleston, Daniel Baulig, Chris Peters, Anna-Ester Volozh, Ian Dundore, Caleb Weeks

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What is the difference between "extinct" and "endangered"? Animals and other living things that no longer exist are extinct, and those that are in danger of becoming extinct are endangered. In this video, you and your kids will learn about some of the things that cause living organisms to die out. You will also learn how to help protect endangered species!

You probably already know about dinosaurs and that there are no more on the earth today. That is because they are extinct. They're not the only ones, though. Animals like woolly mammoths and dodo birds used to exist. However, due to certain natural causes and to human interaction, they no longer do. There are several reasons a species might die out. For the dinosaurs, scientists believe an asteroid collided with earth and caused a mass extinction.

On the other hand, woolly mammoths lost their habitats, and the climate changed drastically enough that they couldn't adapt to their new surroundings. Similarly, the dodo bird became extinct because of overhunting and the destruction of its habitat. Not all animals that go extinct existed thousands or millions of years ago. The passenger pigeon died out much more recently, and for the same reasons as the dodo.

What about endangered animals? For the most part, human causes are the reason most animals and other species are in danger of dying out. Animals you may be familiar with that are on the endangered species list include black rhinos, orangutans, Bengal tigers, blue whales, and sea lions. The video explains several causes, many of which are the same as those you already learned about.

While you can't do anything about extinct species, there are a few ways to help protect endangered animals and plants. You can recycle, save energy, and plant a garden. These will all help improve the environment. In addition, you can even sponsor an endangered animal!

We hope you and your student(s) enjoyed learning about animals that are extinct or endangered! If you want to learn even more, head over to our website and download one of our many free lesson plans, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/extinct-en
https://learnbright.org/lesson....s/science/extinction
https://learnbright.org/lessons/science/dinosaurs/
https://learnbright.org/lessons/science/fossils/

What you will learn in Extinct and Endangered Animals for Kids:
0:00 Introduction to what "extinct" and "endangered" mean
1:36 What causes extinction
2:23 Main reasons extinction occurs: natural occurring
3:15 Main reasons extinction occurs: human interaction
4:02 What endangered means and examples of endangered animals
5:20 Ways to help protect endangered animals
5:50 Review of the facts

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Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#Extinction
#EndangeredAnimals

This organic chemistry video tutorial explains the hybridization of atomic orbitals. It discusses how to determine the number of sigma and pi bonds in a molecule as well as determining if a carbon is sp, sp2, or sp3 hybridized. The full version of this video contains plenty of examples and practice problems.

Access The Full 36 Minute Video:
https://www.patreon.com/MathScienceTutor

Direct Link to The Full Video:
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Organic Chemistry PDF Worksheets:
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Full 36 Minute Video on YouTube:
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Multiplying negatives is a very important part of algebra. This tutorial outlines how to go about multiplying negative numbers, and demonstrates the process with examples.

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