Understanding Isotopes and Relative Atomic Mass
Interactive Video
•
Emma Peterson
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Chemistry, Science
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8th - 10th Grade
•
Hard
03:48
10 questions
Show answers
1.
Multiple Choice
What are isotopes?
Atoms with the same number of protons but different numbers of neutrons
Atoms with different numbers of protons and neutrons
Atoms with the same number of neutrons but different numbers of protons
Atoms with identical numbers of protons and neutrons
2.
Multiple Choice
Which isotopes of chlorine are most common?
Chlorine 33 and Chlorine 35
Chlorine 36 and Chlorine 38
Chlorine 34 and Chlorine 36
Chlorine 35 and Chlorine 37
3.
Multiple Choice
How is the relative atomic mass of an element calculated?
By using the weighted mean of isotopic masses based on abundance
By adding the atomic numbers of all isotopes
By averaging the atomic masses of all isotopes
By considering the most common isotope only
4.
Multiple Choice
What is the relative atomic mass of chlorine?
37
35.5
36
35
5.
Multiple Choice
What unit is used to express relative atomic mass?
Moles
Atomic mass units
Kilograms
Grams
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