Question

how does the electronic configuration of ions vary with the configuration of there isoelectronic atoms.explain by taking two examples. indicate the electronic configuration of ions along the series

Answer 1

E.g., for Cl-:

Cl:1s22s22p63s23p5, but Cl- has one more electron

Add it to the 3p subshell.

Cl⁻:1s22s22p63s23p6

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