Biology, asked by hrellsworth, 4 months ago

If an atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is

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Answered by Anonymous

0

Answer:

Mass number is 7 mate...

Answered by bhaveshparshuramsamp

0

Answer:

. Atomic number = Number of protons = 3

Mass number = Number of protons + number of neutrons =3 + 4 = 7

I hope it helps to you ♥️

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