Question

Can u please answer the 3rd question?

Answer 1

the number of neutrons in the nucleus is may be 26

Answer 2

+2 indicates increase in no.of electrons but not in either protons or neutrons. As the mass no. indicates the no.of protons and no.of neutrons. As we know the no.of protons and electrons are equal then the no.of protons are 22 & no.of neutrons are 34.......
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