An Argon atom will do which of the following when it forms an ion? Choose all that apply and are correct.

a
Nothing, It is already stable.
b
It will be a - ion.
c
It will form a cation.
d
It will lose electrons.
e
It will not form an ion.
f
It will gain electrons.
g
It will form an anion.
h
It will be a + ion.