Iso-electronic species defination

1.	Iso-electronic species defination
Answer» Species (atoms or ions) with same number of electrons are called iso-electronic species.Number of electrons in Cl⁻ = 17+1 = 18 \tAtom\xa0Atomic number Ion\xa0Number of electrons\xa0 Sulphur\xa0 16\xa0 S⁻²\xa0 16 + 2 = 18 Potassium\xa0 19\xa0 K⁺¹\xa0 19 - 1 = 18\t

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