AACT - Isotopic Abundance & Average Mass of Elements

Tutorial Practice

Please note: for illustrative purposes, only the two stable isotopes of Carbon are used in this example.

Carbon-12

p = 6

n = 6

e = 6

98.93% abundance

p = 6

n = 7

e = 6

1.07% abundance

6 C Carbon 12.0107

Choose a name for your atom.

Moleium AACTium Chemistrium Unknownium Calculateium

How many isotopes are in this atom?

2 3 4 5

Choose a mass value for each isotope.

Choose the abundance of each isotope.

200 Ch Chemistrium □□□□□