Calculating Average Atomic Mass (Unit 1 - PreAP Chemistry)

By Lorraine Kyle
Last updated almost 6 years ago
2 Questions
Note from the author:
Average atomic mass calculation
Element X has three natually occurring isotopes. The mass of each isotope and percent abundance in nature are given below.

What do the three isotopes of element X have in common?

Calculate the average atomic mass of element X. Show your work.