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OpenStudy (anonymous):
What is the electron configuration of an element with atomic number 15?
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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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