jaydenjohnson9377 jaydenjohnson9377
  • 01-04-2018
  • Chemistry
contestada

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

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Zydon Zydon
  • 01-04-2018
Do mass number - atomic number to get the neutrons.
for example.
Heliums mass number is 4.
Atomic number of 2
4-2 = 2 neutrons.

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