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OpenStudy (anonymous):
What is the electron configuration of an element with atomic number 15? A.) 1s^2 2s^2 2p^6 B.) 1s^2 2s^2 2p^6 3s^2 3p^5 C.) 1s^2 2s^2 2p^6 3s^2 3p^3 D.) 1s^2 2s^2 2p^6 3s^2 E.) 1s^2 2s^2 2p^6 3p^3 3s^2 3p^1
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OpenStudy (anonymous):
C
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