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What is the mass number of the atom shown? a. 11 b. 18 d. 20 C. 19
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What is the mass number of the atom shown?
a. 11
b. 18
d. 20
C. 19

What is the mass number of the atom shown? a. 11 b. 18 d. 20 C. 19-example-1
User Shakir Khan
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2 Answers

3 votes

Answer:

Explanation:it is 11

User Andrewmu
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4 votes
it is 20 because the mass is proton + neutron!!! hope this helped :)
User Soli
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