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Introduction to the atom

6 videos

Elements and atoms

VIDEO 13:09 minutes
How elements relate to atoms. The basics of how protons, electrons and neutrons make up an atom.

Introduction to the atom

VIDEO 21:05 minutes
The atom, proton, neutron and electron

Atomic number, mass number, and isotopes

VIDEO 9:44 minutes
How to use the atomic number and the mass number to represent different isotopes

Atomic mass

VIDEO 9:49 minutes

The mole and avogadro's number

VIDEO 9:44 minutes
Introduction to the idea of a mole as a number (vs. an animal).