1.

Give the symbols of two anions and cations isoelectronic with Ne.

Answer»

ments which have the same number of electrons are DEFINED as iso-electronic CONFIGURATION. The electronic configuration of is (which has 8 electrons in the OUTERMOST shell) Its configuration is equal to the NEAREST inert gas configuration NEON. The electronic configuration of neon is which has 8 electrons in the outermost shell. So the  elements which has 8 electrons in the outermost shell are iso-electronic with .Thus  having iso-electronic configuration with The electronic configuration of Na+ is  .



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