Question

out of 0-16 and 0-18 isotopes, which has no. of neutrons?
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Answer 1

Answer:

0-18 beacuse both 0-16 and 0-18 have same atomic number that is they have same number of electrons and protons but as they have different mass number but same number of protons it means that there is differnce in number of neutrons as mass number is sum of neutrons and protons. So 0-18 has extra neutrons