Which of the following isotopes has the same number of neutrons as carbon-14?
AO-15(atomic # is 8)
BN-14(atomic # is 7)
CO-16(atomic # is 8)
DF-19(atomic # is 9)
AO-15(atomic # is 8)
BN-14(atomic # is 7)
CO-16(atomic # is 8)
DF-19(atomic # is 9)