jaydenjohnson9377 jaydenjohnson9377

01-04-2018
Chemistry

contestada

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

Respuesta :

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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