Curated Video
Houston We Have a Podcast: Alpha Magnetic Spectrometer: The Science
Dr. Brandon Reddell discusses astrophysics, cosmology, and the science behind the Alpha Magnetic Spectrometer (AMS), an experiment looking for evidence of antimatter and dark matter in the cosmos. This is part one of a three-part series...
Curated Video
Electronic Structure and the Periodic Table
This is a video that explains the electronic structure of atoms and ions and how it relates to their position on the periodic table. It covers the basics of electron shells, how to fill them, and how to represent an element's electronic...
Curated Video
The Versatile Elements: N, Hg, Cu, Mg, Co
Let's take a look back at the elements nitrogen, mercury, copper, magnesium, and cobalt.
Professor Dave Explains
Ibuprofen and Naproxen (Advil/Motrin/Aleve)
Ibuprofen is another one of the most commonly prescribed drugs in the world, and is also another NSAID. It was developed in the 1960s, so let's get a closer look at ibuprofen and a similar drug named naproxen, so that we can compare...
Curated Video
The Versatile Elements
Let's take a look back at the elements carbon, gold, neon, zirconium, and antimony.
Curated Video
Elements Review
Let's take a look back at the elements helium, tin, calcium, palladium, and lead.
TMW Media
Atomic Theory of Matter Part 1
This program covers part 1 of the very important topic of the atomic theory of matter. We discuss how atoms combine together to form new compounds. Students review the law of conservation of mass and how the mass of the substances at the...
Professor Dave Explains
Oxidation of Alkenes Using Potassium Permanganate (Hot and Cold Conditions)
We've seen that KMnO4 can oxidize alcohols and aldehydes to give carboxylic acids and ketones, but this reagent can also oxidize alkenes. The product(s) will be different depending on whether we use cold basic conditions or hot acidic...
Curated Video
The Elements: Uses and Importance in Everyday Life
Let's take a look back at the elements sodium, oxygen, argon, arsenic, and zinc.
TMW Media
Overview of the Periodic Table
This program covers the very important topic of the periodic table. We give an overview of how the periodic table is organized including the periods, groups, noble gases, metals, nonmetals, transition elements, and more. The entire...
FuseSchool
How Do Atoms Bond
Learn the basics about how atoms bond when learning about the structure of atoms. Bonds form by the attraction of negatively charged electrons and the positive nucleus of atoms. Atoms have a positively charged tiny nucleus which contains...
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
Introduction to Chemistry
This program provides an introduction to chemistry. We begin by discussing how chemistry touches every part of everyday life and give several examples of basic chemical reactions that students come into contact with regularly. The entire...
Curated Video
Understanding Electronic Configurations of Atoms and Ions
This video discusses the electronic configuration of atoms and ions, and how the positioning of elements in the periodic table affects their electronic structure. It further discusses the electronic configuration of different elements...
TMW Media
Atomic Mass of an Element
This program covers the very important topic of atomic mass of an element. We begin by discussing the structure of the atom and how this can be used to arrive at a number that represents the relative mass of the atom. This quantity will...
Professor Dave Explains
Carbon: The Element of Life
You may have heard that carbon is the element of life. What does that mean? Let's find out!
Professor Dave Explains
Reduction of Esters With DIBAL-H
We know about a lot of different oxidizing and reducing agents that facilitate a variety of different transformations. But we haven't touched upon the precise transformation that can be achieved by diisobutylaluminum hydride, also known...
Professor Dave Explains
Practice Problem: Atomic Radii and Ionic Radii
We've learned all about the periodic trends, including atomic radius, so let's put our knowledge to the test! Here we will have to put some atoms in order of increasing atomic radius, and then do the same thing for some ions and their...
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...
TMW Media
Atomic Number, Mass Number & Isotopes Part 1
This program covers the very important topics known as atomic number, mass number, and isotopes. We begin by discussing the structure of the atom and how the atomic number is used to organize the periodic table. We discuss the mass...
TMW Media
Atomic Number, Mass Number & Isotopes Part 2
This program covers the very important topics known as atomic number, mass number, and isotopes. We begin by discussing the structure of the atom and how the atomic number is used to organize the periodic table. We discuss the mass...
Curated Video
Titration Calculations: Understanding Concentration and Molar Concentration
The video is a lecture on titration calculations. The video is divided into two parts, with the first part focusing on concentration and molar concentration. The professor explains the concept of concentration and how it is calculated...
Rachel's English
English Vocabulary Challenge Day 14
You can improve your English vocabulary and English pronunciation by studying these vocab words, repeating them along with me to master each sound. We’ll study each word by focusing on how Americans actually pronounce it, and we’ll...