The sum of protons (p⁺) and neutrons (n⁰) in an atom is called its

1.	The sum of protons (p⁺) and neutrons (n⁰) in an atom is called its
A.	atomic number
B.	nucleon number
C.	Avogadro's number
D.	protonic identity
Answer» C. Avogadro's number

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