If the electron configuration of a ground state potassium atom is 1s22s22p63s1, the electron configuration of the potassium cation (K+) would be:
A) 1s22s22p63s2
B) 1s22s22p6
C) 1s22s22p63s1
D) 1s12s22p63s1
E) none of the above
Answer: B
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