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4 votes
Which term best indicates the average mass of an atom of an element?

atomic number

mass number

group number

atomic mass

User Menjaraz
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2 Answers

5 votes
it is the total number of protons plus the total number of neutrons expressed in D.) atomic mass units
User Johnnietheblack
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4 votes
The answer is the atomic mass.
User Constantin Berhard
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