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How many neutrons are in an atom with each set of atomic numbers and mass numbers?

How many neutrons are in an atom with each set of atomic numbers and mass numbers?
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2 votes
How many neutrons are in an atom with each set of atomic numbers and mass numbers?

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User Danya
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1 Answer

4 votes
Do mass number - atomic number to get the neutrons.
for example.
Heliums mass number is 4.
Atomic number of 2
4-2 = 2 neutrons.

answered
User Deele
by
8.2k points
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