80%() MasteringChemistry: Chapter 6 Exercises Fri 7:41 PM Amber a ecure https://

Question

80%() MasteringChemistry: Chapter 6 Exercises Fri 7:41 PM Amber a ecure https://session.masteringchemistry.com/myct/itemView?offset-next&assignmentProblem;/D Chapter 6 Exercises roblem 6.96 ) 50139 (> How does the octet rule explain the formation of an iodide ion? Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Reset Help three By valence fifth electron(s), iodine achieves an octet in the energy level. two one fourth first gaining third losing 63

Explanation / Answer

I    = 53   = [Kr]4d^10 5s^2 5p^5

Iodine to get the octet electronic configuration by gaining of one electron

I       = [Kr]4d^10 5s^2 5p^6

I + e^- ------------------> I^-

53e^-                            54e^-

53p                               53p

By gaining one valency electron , iodine achieves an octet in the fifth energy level.

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