2005
Chemistry
67ca00ce0c643c71d77dee1f
What is the valence shell electron configuration of the element with atomic number 17
A.
1s22s22p63s23p5
B.
1s22s22p63s23p4
C.
3s23p5
D.
2s22p6
Correct Answer: 1s22s22p63s23p5
Explanation
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