Curated Video
How Diodes Work
In this video, we're going to learn how diodes work. We're going to start by reviewing the basic properties of diodes, and then we'll move on to discuss how diodes are used in circuits. By the end of the video, you'll have a basic...
Professor Dave Explains
Practice Problem: Conversions Using Avogadro's Number
The concept of the mole is a little tricky when you first learn about, but soon you're converting between grams and moles and atoms with ease. Let's practice some conversions using Avogadro's Number now!
msvgo
Atomic Models - Thomson and Rutherford
It explains Atomic Models - Thomson model and Rutherford atomic model.
Visual Learning Systems
Exploring the Building Blocks of Matter: Comparing Different Types of Atoms
Upon viewing the Exploring the Building Blocks of Matter video series, students will be able to do the following: Understand that the quest to better understand the building blocks of matter has transpired over the past several thousand...
Professor Dave Explains
Practice Problem: IUPAC Nomenclature and Stereochemistry
For this one we will have to be able to interpret IUPAC nomenclature to draw molecular structure, including absolute configuration using the Cahn-Ingold-Prelog convention.
Professor Dave Explains
IIT/JEE Chemistry Practice #8: Molecular Formulas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
FuseSchool
What is an atom
What is an atom | Matter | Physics | FuseSchool Atoms are tiny particles that are so small they are not possible to see with the naked eye, and are only barely possible to make out with the most powerful microscopes. Everything that...
Journey to the Microcosmos
How Brownian Motion Helped Prove the Existence of Atoms
We’re going to see a type of motion over and over again because it’s all over the microcosmos, found in and around many different types of organisms. And this kind of random motion may seem almost too trivial to discuss, but this motion...
Curated Video
Intro To Python Programming - Python Tuples
Tuples are similar to lists, but they are immutable. You'll learn to create tuples in this video.
Professor Dave Explains
Visualizing Molecular Geometry With 3D Software
We've already learned about VSEPR theory, and how to use it to predict the shapes of various molecules. But we didn't cover all of the molecular geometries for certain hybridizations, and we didn't talk about bond angles, so let's do...
Professor Dave Explains
Metallic Bonds
We've learned about ionic and covalent bonds, so we understand the interactions that will occur between a metal and a nonmetal, or between two nonmetals. But what about two metals? Metallic bonding! This ends up being sort of like ionic...
friEdTech
BYOT for Parents
Why does my child's school want to implement BYOT? Well, there are LOTS of good reasons, and a few good ones in this video.
Professor Dave Explains
Practice Problem: Empirical and Molecular Formulas
How do we know how many atoms of each element are in a particular compound? Through clever experiments! Here let's practice using percent mass information to get the empirical and molecular formulas of a particular compound.
FuseSchool
The Functional Group Concept Explained
This is the introduction to the Functional Group concept - giving an oversight about Organic Chemistry, the composition of Alkenes.
Curated Video
The Role of Electrons in Chemical Bonding
This video discusses the role of electrons in bonding together individual atoms to form larger, more complex structures. The video also explains how atoms achieve stability by gaining or losing electrons to form positive or negative...
Professor Dave Explains
The Composition of Rocks: Mineral Crystallinity and Bonding Types
What is a mineral? How are minerals classified based on their elemental composition, crystalline structure, and bonding type? Learn the basics of mineral composition and classification in this video.
Minerals part 1
Curated Video
Life Substances - The Chemistry of life
There are a number of substances that are vital to all living organisms. In this lecture, I talk about substances like carbohydrates, lipids, proteins and nucleic acids, going into some detail about their structures and importance.
Curated Video
Development of the Model of the Atom
The video discusses the historical development of the model of the atom, from the ancient Greek philosopher Democritus' idea of tiny, indivisible particles to modern-day understanding of electrons, protons, and neutrons. It explains the...
Curated Video
Empirical Formula: Simplest Whole Number Ratio of Atoms in a Substance
The video explains the concept of empirical formula in chemistry. The video also talks about how to convert the molecular formula into the empirical formula and vice versa. The video presents examples of how to determine the empirical...
Professor Dave Explains
Lewis Dot Structures
Finally, you'll understand all those weird pictures of molecules with the letters and the lines and the dots! Those are lewis dot structures. Let's learn how to draw them. It's easier than you think.
Visual Learning Systems
Particles and Matter: Video Review
Everything we see and touch is made up of millions of tiny particles. This program is full of colorful examples showing the ways that matter is composed of particles. Vivid animations illustrate how matter consists of different types of...
FuseSchool
What Are Allotropes of Metalloids and Metals
Learn the basics about allotropes of metalloids and metals, as a part of the overall properties of matter topic. An allotrope is basically a different form of the same element, each with distinct physical and chemical properties. For...