 Custom Search Lewis Dot of Iodine Pentafluoride IF5 I does not follow the octet rule. It will hold more than 8 electrons. Iodine having valence electrons in the 4th energy level, will also have access to the 4d sublevel, thus allowing for more than 8 electrons. IF5 is d2sp3 hybridized and contains 1 lone pair and 5 bonding pairs of valence electrons around the Iodine. The VSEPR predicts the square pyramidal shape. Elements in the first 2 periods of the Periodic Table do not have access to the d sublevel and must adhere to the octet (or duet H and He) rule. ABOUT IF5- It is a colorless or yellow liquid. 3.250 g/mL. It is a very good fluorination agent.
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