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Question 23who is atomic mass related to number of proton and number of neutrons
Question 29 From amongst k l m n shells which is associated with lowest of the energy one associated with the highest energy
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- The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).
- L shell has higher energy as a result of in keeping with Bohr’s theory the shell that is nearer to Compare Electric Plans nucleus has lower energy and therefore the shell that is removed from the nucleus has higher energy. K is nearer to nucleus. thus it's lower energy than L-shell.
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(I) an atomic mass is related to no. Of protons and neutrons
(I) L is the lowest energy level shell as compared to M shell
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