Out of O16 and O18 isotopes, which has more number of neutrons?
Nuclear compostion of O16 is :
Number of protons = 8
Number of neutrons = 16 – 8 = 8
Nuclear compostion of O18 is :
Number of protons = 8
Number of neutrons = 18 – 8 = 10
So O18 has more number of neutrons.