Show your calculation of the total number of outer electrons

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Jun 30th, 2015

Thank you for the opportunity to help you with your question!

the answer is B

the electronic configuration of Phosphorus is 1s2 2s2 2p6 3s2 3p3

so three p orbitals are vacant.So for octet three more electrons are required.Flourine configuration is 1s2 2s2 2p5

so each flourine atom requires 1 electron for octet so three covalent bonds are formed.

and phosphorus has one lone pair in 2nd shell.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 30th, 2015

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Jun 30th, 2015
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Jun 30th, 2015
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