Two cations and one anion, each with the same electron configuration as Ar, combine to form one formula unit of a neutral ionic compound. Which of these is a possible identity for the cation? A. K+ B. Rb+ C. Na+ D. Li+

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30-11-2022
Chemistry

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Two cations and one anion, each with the same electron configuration as Ar, combine to form one formula unit of a neutral ionic compound. Which of these is a possible identity for the cation? A. K+ B. Rb+ C. Na+ D. Li+

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jaspreetsharma jaspreetsharma · Answer 1 · 2022-12-04T03:08:38+01:00

The correct answer is (A). K+ and argon unite to create one formula unit of a neutral ionic molecule, with potassium ions having the same electronic configuration as Ar. K+ has 18 total electrons in it.

Likewise, Ar contains 18. The fact that even tiny atoms may form ionic solids suggests stability. The (d) Option cannot provide stability, therefore. Approximately 95% of the potassium in the body is found inside cells as the ion K+. A buildup of potassium will occur when our kidneys aren't operating properly. Unsettling heartbeats may result from this. When breathed in, potassium can affect you. Chemically speaking, argon is an element with the symbol Ar and atomic number 18. It belongs to the periodic table's group 18 and is a noble gas known as argon gas.

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