Chemistry, asked by dani69, 11 months ago

How to find mass number ?

Answers

Answered by Anonymous

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Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.

Answered by dktittu584

Mass number equal to mass of protons+ mass of neutrons

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