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Does anyone know how to find the number of Neutrons in an atom? Is there a formula I should be going by? ty.

Sagot :

Answer:

For all atoms with no charge, the number of electrons is equal to the number of protons. The mass number, 40, is the sum of the protons and the neutrons. To find the number of neutrons, subtract the number of protons from the mass number.

Explanation: