Question

show diagrammaticaly the electron distributions in a sodium atom and a sodium ion and also give their atomic no.​

Answer 1

Answer:

Atomic number of sodium (Z) = 11 Mass number of sodium (A) = 23 Number of protons in the nucleus = 11 Number of neutrons in the nucleus = 23 - 11 = 12 Number of electrons = 11 Electronic configuration of Na atom Na+ ion is formed from sodium atom by loss of an electron (present in the outermost shell).

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