hannahleamiller11 hannahleamiller11

11-01-2021
Chemistry

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With what noble gas is the cation in KNO2 isoelectronic?

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repansellove44 repansellove44

11-01-2021

Answer:

argon

For example, the K+ ion is isoelectronic with argon. Potassium has 19 electrons and 1 is in the outermost shell: a valence electron. If potassium is ionized and becomes a +1 cation, this is to say that it lost its single valence electron. This is favorable, because it gives potassium a noble gas configuration

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