E the 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