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Topic: Lewis Structures for Polyatomic Ions  (Read 2272 times)

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Offline potions09

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Lewis Structures for Polyatomic Ions
« on: June 16, 2012, 01:00:55 PM »
When you're drawing a lewis structure for a polyatomic ion, how do you know which atom gets the extra negative/positive charges? Thanks!

For example ICl4-
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Offline specOTL

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Re: Lewis Structures for Polyatomic Ions
« Reply #1 on: June 17, 2012, 03:52:50 AM »
What extra negative/positive charges are you talking about? the 4 - ?

The 2 lone pairs would go on the Iodine. Chlorine can't hold more than 8 electrons aka Iodine has d orbitals.
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