Isotopes in Chemistry
Grade 11•45 minutes
Learning Objective
I can calculate the average atomic mass of an element using the relative abundances of its isotopes.
Practice Questions
This lesson includes 9 practice questions to reinforce learning.
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1. Define isotopes and explain how they differ from one another.
2. Given that carbon has two isotopes, carbon-12 and carbon-14, explain how the number of neutrons affects the mass of an isotope.
3. If an element has an atomic number of 7, what element is it, and how many protons does it have?
...and 6 more questions
Educational Video
GCSE Chemistry - Elements, Isotopes & Relative Atomic Mass #2
Cognito