Question

What is an anion?
A.
An atom with a negative charge
B.
An atom with a positive charge
C.
An atom with an atomic number larger than 0
D.
An atom with an atomic number of 0

Answer 1

A for negative charge.

Answer 2

A.) An atom with a negative charge

Answer 3

A,
anion :- is when an atom gains electrons and becomes negatively charge. eg Cl- gains one electron to become "stable" but with a negative charge. it will be O^2- since oxygen gains 2 electron and now have 2negative charge.