Ethe table below for the next three questions.

ion symbol atomicnumber massnumber protons neutrons electrons
oxygen o-2 [a.] 16 8 [b.] [c.]

hints:

if an ion has a + charge, that indicates it has more protons (+) than electrons this means the atom has lost electrons.
if an ion has a - charge, that indicates it has more electrons than protons (+). this means the atom has gained electrons.

[a] corresponds to:

a. 2

b. 8

c. 16

d. none of the above

[b] corresponds to:

a. 2

b. 8

c. 16

d, none of the above

[c] corresponds to:

a. 2

b. 6

c. 8

d. 10