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In terms of particles, what is the mass number equal to? (The mass is 12)
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In terms of particles, what is the mass number equal to? (The mass is 12)

User Fryeguy
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2 Answers

3 votes

Answer:

The mass number is equal to the total number of protons and neutrons in the nucleus of an atom.

Step-by-step explanation:

User Vivek P
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5 votes

Answer:

The number of protons plus the number of neutrons

Step-by-step explanation:

User Tahsin Abrar
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