What is the total lone pair on I3^-
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9 because they are asking for 3 iodine
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Iodine having valence electrons in the 4th energy level, will also have access to the 4d sublevel, thus allowing for more than 8 electrons. I 3- is dsp 3 hybridized and contains 3 lone pairs and 2 bonding pairs of valence electrons around the Iodine. The VSEPR predicts the linear shape.
Source:
- http://www.kentchemistry.com/links/bonding/LewisDotTutorials/I3-.htm
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