MPSC PYQScienceAtom and its Structureenglish

Look at the following statements. (a) Goldstein has discovered the protons. (b) Thomson has discovered the neutrons. (c) Neutrons have a negative charge.

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

Correct answer: D

Source paper

Atom and its Structure

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