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Chemistry 15 Online
OpenStudy (cooltowl):

Valence Electrons? Bonding electrons? Lone Pair (non-bonding) electrons?..... In the compound PCl5

OpenStudy (cooltowl):

I got Valence electron: 40 Bonding electrons: 5 Lone Pairs:0 But HW system says it's wrong!!!

OpenStudy (frostbite):

Try draw the Lewis structure for me, everything becomes more easy then :D

OpenStudy (frostbite):

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OpenStudy (frostbite):

Try now.

OpenStudy (cooltowl):

Yeah drawing it out is the first thing I did

OpenStudy (frostbite):

Then you should see that it for example contain lone pairs (represented by the two dots). The Lewis structure is really good when you want to count and work with valance electrons.

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