MPSC PYQScienceAtom and its Structureenglish

Consider the following statements. (a) Sodium has 11 electrons means valency of sodium is one. (b) Chlorine has 17 electrons means valency of chlorine is one. Answer Options:

A.Only a correct
B.Only b correct
C.(a) and b correct
D.(a) and b incorrect

Correct answer: C

Source paper

Atom and its Structure

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