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April 18, 2015

April 18, 2015

Posted by **caleb** on Tuesday, May 6, 2008 at 8:50pm.

- chemistry -
**DrBob222**, Tuesday, May 6, 2008 at 9:07pmThe oxygen has four regions of high electron density which dictates a tetrahedral arrangement, sp3. They aren't quite 109.5 degrees, as a tetrahedral angle would be, because the two unshared pairs of electrons modify the angle.

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