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24-09-2020
Chemistry

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What is the number of protons plus the number of neutrons equal to?
A. atomic number
b. atomic charge
c. atomic isotope number
d.mass number

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prasangakafle prasangakafle

25-09-2020

Answer:

atomic number

Explanation:

The mass number of the atom (M) is equal to the sum of the number of protons and neutrons

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