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V125BC [204]
3 years ago
11

To find the atomic mass of a particular atom you need to know

Chemistry
2 answers:
Andreyy893 years ago
5 0
You just need the number of protons and number of neutrons as the mass of eelctrons is negligible
Kipish [7]3 years ago
5 0

Answer:

C. the number of protons and neutrons

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