This is a series of lectures in videos covering Chemistry topics taught in High Schools to help students learn about isotopes and calculating average atomic mass of various atoms.

** Chemistry Tutorial 3.01a: Atomic Structure - The Nucleus**

This video outlines the particles found in the nucleus, mass number, atomic number, nuclear charge and isotopes.

**Chemistry Tutorial 3.01b: Weight Average Atomic Mass**

This video explains how to calculate the weight-average atomic mass of an element given the masses and relative abundances of the naturally-occurring isotopes.

**Isotopes and Average Atomic Mass**

The following video is on isotopes and calculating average atomic mass of various atoms.

**Calculating Average Atomic Mass Examples**

The following video is on isotopes and calculating average atomic mass of various atoms

**Average Atomic Mass Examples**

The following video is on isotopes and calculating average atomic mass of various atoms.

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