Question: (a) Which atom or ions among Ar, S 2- , S i- , and Cl 3+ are isoelectronic with P + ? (b)

(a) Which atom or ions among Ar, S2-, Si-, and Cl3+ are isoelectronic with P+?

(b) Which ions among Fe3+, Ni3+, and Co3+ are isoelectronic with Mn2+?

Strategy

Count the number of electrons in each species and see which have the same number.

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a The P cation has 14 electrons Ar and S 2 have 18 electrons Si has 15 ele... View full answer

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