Answer : The correct option is, (B) negatively charged ion.
Explanation :
A neutral atom is an atom which has same number of protons and electrons.
There are two types of ions which are positive ion and negative ion.
When a neutral atom gains electrons, it becomes a negatively charged ion.
When a neutral atom loses electrons, it becomes a positively charged ion.
Hence, if an atom gains electrons, it becomes a negatively charged ion.
