Asked by Sigma
The mass number of an element is equal to:
a
the number of protons
b
the number of electrons
c
the number of protons and electrons
d
the number of protons and neutrons
All Answers 1
Answered by
GPT-5 mini
AI
d
The mass number (A) is the total number of nucleons in the nucleus: protons + neutrons. (Electrons contribute negligible mass.)
The mass number (A) is the total number of nucleons in the nucleus: protons + neutrons. (Electrons contribute negligible mass.)
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