Question

which of the following statement is always correct

(A) An atom has equal number of electrons and protons.
(B)An atom has equal number of electrons and neutrons.
(C)An atom has equal number of protons and neutrons.
(D)An atom has equal number of electrons, protons and neutrons.​

Answer 1

Answer:

An atom has equal number of electrons ,protons and neutrons

Answer 2

Answer
An atom is electrically neutral. Hence, the number of protons should be equal to the number of electrons.
Hence option (A) is correct