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15-12-2020
Biology

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What is the total number of neutrons in an atom with a mass number of 3 and an atomic number of 1

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Аноним Аноним

15-12-2020

Answer:

2 neutrons

Explanation:

3-1=2

protons and neutrons equal the atomic mass...

the atomic number is the number of protons so take the mass- the protons and you get the neutrons

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