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Posted by on Sunday, May 18, 2008 at 6:37pm.

Write both the complete electron-configuration notation and the noble-gas notation for each of the elements below
a. Na
b. Sr
c. P

  • chemistry - , Sunday, May 18, 2008 at 7:46pm

    You 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 - , Sunday, May 18, 2008 at 7:48pm

    Na: 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

  • chemistry - , Sunday, May 18, 2008 at 9:48pm

    thanks GK

  • chemistry - , Monday, November 24, 2014 at 11:49pm

    1s22s22p1

  • chemistry - , Monday, November 30, 2015 at 6:36pm

    Na: 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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