Saturday

February 13, 2016
Posted by **jerson** on Sunday, May 18, 2008 at 6:37pm.

a. Na

b. Sr

c. P

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**DrBob222**, Sunday, May 18, 2008 at 7:46pmYou should know how to do this. If you have trouble. here is a site that may help. If you don't understand, post again but tell us what you don't understand.

www.webelements.com

- chemistry -
**GK**, Sunday, May 18, 2008 at 7:48pmNa: 1s^2, 2s^2, 2p^6, 3s^1 or,

Na: [Ne] 3s^1

Sr: 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^10, 4p^6, 5s^2 or,

Sr: [Kr] 5s^2

P: 1s^2, 2s^2, 2p^6, 3s^2, 3p^3 or,

P: [Ne] 3s^2, 3p^3

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**jerson**, Sunday, May 18, 2008 at 9:48pmthanks GK

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**Anonymous**, Monday, November 24, 2014 at 11:49pm1s22s22p1

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**sovit**, Monday, November 30, 2015 at 6:36pmNa: 1s^2, 2s^2, 2p^6, 3s^1 or,

Na: [Ne] 3s^1

Sr: 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^10, 4p^6, 5s^2 or,

Sr: [Kr] 5s^2

P: 1s^2, 2s^2, 2p^6, 3s^2, 3p^3 or,

P: [Ne] 3s^2, 3p^3