Question

Atomic number of an atom Z = 60 Mass number A = 32 A) find the number of electron and neutron in the atom. B) write electronic configuration C) draw the bohr model of the atom

Answer 1

hi, An atom which has 4 protons, 5 neutrons and 4 electrons will have atomic mass = 9 and you are talking about Isotopes of beryllium. The neutrons plus protons give the atomic weight.

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