which symbol represents atoms that are isotopes of an element?

a. C-14 and N-14

b. O-16 and O-18

c. I-131 and I-131

d. Rn-222 and Ra-222​

Respuesta :

Explanation:

O-16 and O-18 are isotopes as they have the same element (oxygen) but different atomic mass (16 and 18).