Use Lewis theory to determine the chemical formula for the compound formed between K and I. A)KI₂ B)K₂I C)KI D)K₂I₂

Question

Quizplus · Accepted Answer

According to Lewis theory, when elements bond, they share or transfer electrons to achieve a stable electron configuration.

Potassium (K) has 1 valence electron, and iodine (I) has 7 valence electrons. In order to achieve a stable configuration, K needs to lose 1 electron, and I needs to gain 1 electron.

This results in a transfer of 1 electron from K to I, forming K+ and I-. The resulting compound has a 1:1 ratio of K+ and I- ions, which combine to form KI. Therefore, the correct answer is C.

Use Lewis Theory to Determine the Chemical Formula for the Compound