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

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

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User Peladao
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2 Answers

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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!
answered
User Bilel
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8.5k points
2 votes
the mass number is 64
answered
User Wmik
by
8.2k points
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