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What is the mass of an atom that has 11 protons, 16 neutrons and 11electrons? a. 11 b. 22 c. 27 d. 38
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What is the mass of an atom that has 11 protons, 16 neutrons and 11electrons?

a. 11
b. 22
c. 27
d. 38

User Sean Keating
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1 Answer

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Mass= proton + neuton

Mass= 11 +16

=27

User Stevenvh
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