Question

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: (b).nucleon number

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

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