'Second c' diaporamas de présentation

Food for thought:

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Exceptions to the Octet Rule

Exceptions to the Octet Rule. There are three types of ions or molecules that do not follow the octet rule: Ions or molecules with an odd number of electrons. Ions or molecules with less than an octet. Ions or molecules with more than eight valence electrons (an expanded octet).

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Science Starters

Science Starters. Speed #2. C. Towle at www.mtascience.com for T. Trimpe 2009 http:// sciencespot.net /. Fill in the blanks. 1. ____________________ describes both the speed and direction of a moving object.

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