Question

The introduction of neutron in nucleus of an atom would lead to the change in .........
(A) Atomic weight
(B) Atomic number
(C) Number of electrons around a nucleus (D) Chemical nature of the atom
Which element of the following possesses har med valence shell with clectron ?​

Answer 1

Answer:

A Ithink so pls check 2nd answer

Explanation:

pls thank me