Which of the following is an atom that has gained an electron?
Select one:
a. positive ion
b. nonpolar molecule
c. polar molecule
d. negative ion

Respuesta :

it is D.) a negative ion because electrons have a negative charge. hope this helps! if it did, mark me brainliest :)
D. negative ion because when an atom gains or loses an electron, so it attains a net change and become a ion. when electron are lost ( or domains )