An atom has 29 protons, 29 electrons, and 35 neutrons. What is the mass number of the atom?

asked Nov 20, 2018 97.2k views

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The mass number will be 64 as to calculate the mass you add up the protons and neutrons.

Hope this helps!

Bilel answered Nov 20, 2018

by Bilel

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2 votes

the mass number is 64

Wmik answered Nov 24, 2018

by Wmik

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