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Chemistry 15 Online
OpenStudy (anonymous):

What is the electron configuration of an element with atomic number 15?

OpenStudy (anonymous):

1s2 2s2 2p6 1s2 2s2 2p6 3s2 3p5 1s2 2s2 2p6 3s2 3p3 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3p3 3s2 3p1

OpenStudy (anonymous):

@undeadknight26 help maybe????

undeadknight26 (undeadknight26):

1s^22s^22p^63s^23p^3 So i'd day the third one.

OpenStudy (anonymous):

ok thank you!!

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