An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of an atom is...? Mcqs

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An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of an atom is...?

(A) 11

(B) 12

(C) 22

(D) 23

✅ Correct Answer: 23

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Source: This question is taken from the Everyday Science

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