Question

What occurs when an atom loses an electron?
A) The atom's radius decreases and the atom becomes a positive ion.
B) The atom's radius increases and the atom becomes a negative ion.
C) The atom's radius decreases and the atom becomes a negative ion.
D) The atom's radius increases and the atom becomes a positive ion.

Answer 1

option A is right
because loss of electrons leads to loss of negative charge and gain of positive and also the atoms radius decreases

Answer 2

option A is correct because due to lost electrons it's size decrease and changes into positive ion