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What makes up the atomic mass of an element? the sum of protons and neutrons in the nucleus the sum of neutrons and electrons in the shell the difference between protons and electrons the difference between
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19 votes
19 votes
What makes up the atomic mass of an element?

the sum of protons and neutrons in the nucleus
the sum of neutrons and electrons in the shell
the difference between protons and electrons
the difference between electrons and neutrons

User Puckl
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1 Answer

13 votes
13 votes

Answer: The sum of protons and neutrons in the nucleus

Explanation: The Formula For Atomic Mass or Mass Number is

Atomic mass= Protons + Neutrons

User Blue Smith
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