Lewis Dot Structures: Ions Video Lessons

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Problem: Add lone pairs to these Lewis structures of polyhalide ions. 

FREE Expert Solution

To do so, we shall calculate the total valence electrons first:

For ClF2-:

The total number of valence electrons present in ClF2-is:


            Group             Valence Electrons

Cl         7A                   1 × 7 e7 e

F          7A                   2 × 7 e14 e

From -1 charge:                       +1 e-

Total:  22 valence e

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Problem Details

Add lone pairs to these Lewis structures of polyhalide ions. 

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