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Chem 104, Isotopic Abundance

Author: Jesse Olson

A Briefing on Isotopes

Isotopes are an often confusing topic.  The simple take home message is that elements can occur in different forms of isotopes.  What makes an isotope an isotope is differing numbers of neutrons in an atom's nucleus.  What makes this topic difficult at times is working with relative isotopic abundances.  PRACTICE these if they are what is hard for you. 

Source: olson

Introduction to Isotopic Abundance

An introductory lesson on isotopic abundance and finding average atomic mass. Includes example problems. It is about 14 minutes long but covers some complex ideas.

Source: olson