When an atom loses or gain a charge it becomes
A
An electron
B
An ion
C
A neutron
D
A proton
Verified Correct Answer: B.
Physical Principles & Numerical Solution
If an atom gains or loses an electron, it becomes an ion. An atom that gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion
Source: Myschool Past Questions Archive (Record #47680)