MinuteEarth
How To Solve Every Global Crisis
Lots of global problems seem intractable, but there’s a formula for success that we can follow.
Bozeman Science
Stratospheric Ozone
In this video Paul Andersen explains how stratospheric ozone protects humans from ultraviolet light. He explains how stratospheric ozone is formed when diatomic oxygen absorbs an ultraviolet photon and is split into two free oxygen...
Curated Video
Introduction to Chemical Bonding
The basic ways elements combine to create compounds, fundamental to life as we know it. Chemistry - Atoms And Bonding - Learning Points. There are 92 naturally occurring elements. They fall into two categories: metals and non-metals....
Curated Video
Ionic Bonding
How metals and non-metals combine to form compounds with unique and very different properties. Chemistry - Atoms And Bonding - Learning Points. An electrically charged atom is called an ion. Ionic bonds are very strong. Ions are formed...
Curated Video
Inductive Effect: The Hidden Forces in Molecules
The inductive effect refers to the electron-donating or withdrawing influence that substituents exert on a molecule through sigma bonds. Electronegative atoms or groups pull electron density away from the rest of the molecule, while...
TMW Media
Ions and Ionic Charge
This program covers the very important topic of ions and ionic charge. We begin by discussing the concept of an ion and how it relates to a neutral atom. We then discuss how to calculate the ionic charge on an atom with practical...
TMW Media
Naming Molecular Compounds
This program covers the very important topic of naming molecular compounds. We begin by discussing how molecular compounds form and how they arise in nature. We discuss in detail the naming method for molecular compounds including all of...
Professor Dave Explains
IIT/JEE Chemistry Practice #33: Ranking Acidity
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #17: Molecular Geometry
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
Chiral Molecules With No Chiral Centers
Looking at interesting molecules in virtual reality that possess no chiral centers.
FuseSchool
What Is The Hole In The Ozone - Part 2
Learn some more about the hole in the ozone, as a part of environmental chemistry. The hole in the ozone layer has become thinner, mainly due to CFC’s. CFCs are inert stable molecules and were once the wonder chemical. They were...
Professor Dave Explains
Practice Problem Acidity of Carboxylic Acids
Let's rank these carboxylic acids by acidity! Do you know about the various ways these carboxylate anions can be stabilized? Check it out.
FuseSchool
What Are Intermolecular Forces
Learn what intermolecular forces are, the three most common types and the differences between them. An intermolecular force is simply an attractive force between neighbouring molecules. There are three common types of intermolecular...