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what is the sum of the number of neutrins protons in the nucleus of an atom?

Sagot :

SOYAAA26IN

Answer:

Mass number

Mass numberThe sum of the number of protons and neutrons in an atom is called the mass number. For example: Carbon-12 has 12 protons and 12 neutrons.

JAYVIELYNPLATONIN

Answer:

Mass number

Explanation:

The sum of the number of protons and neutrons in an atom is called the mass number. For example: Carbon-12 has 12 protons and 12 neutrons

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