An unknown atom has 5 protons, 7 electrons and 12 neutrons. What is........ A. The atomic mass =

asked Apr 17, 2022 121k views

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An unknown atom has 5

protons, 7 electrons and 12
neutrons.
What is........
A. The atomic mass =

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10 votes

Answer:

Step-by-step explanation:

the atomic mass is away protons + neutrons, electrons are neglatable.

Borisbn answered Apr 23, 2022

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