we know that atomic mass=no. of proton +no. of neutron. Chlorine has 1 – InterviewSolution

1.	we know that atomic mass=no. of proton +no. of neutron. Chlorine has 17 proton and 18 neutron.But atomic mass of Chlorine is 35.5 why?
Answer» we know that atomic mass=no. of proton +no. of neutron. Chlorine has 17 proton and 18 neutron.But atomic mass of Chlorine is 35.5 why?

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