The mass number of an atom is determined by ___.

1.adding the protons and electrons
2.adding the protons and neutrons
3.adding the electrons and neutrons
4. adding the protons,electrons and neutrons

Question

03-02-2021
Chemistry

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The mass number of an atom is determined by ___.

1.adding the protons and electrons
2.adding the protons and neutrons
3.adding the electrons and neutrons
4. adding the protons,electrons and neutrons

Sagot :

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hhh22267 hhh22267 · Answer 1 · 2021-02-03T09:49:28-05:00

hhh22267 hhh22267

03-02-2021

2: protons and neutrons

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