Which two elements have the same ground-state electron configuration?
A) Pd and Pt
B) Cu and Ag
C) Fe and Cu
D) Cl and Ar
E) No two elements have the same ground-state electron configuration.
Correct Answer:
Verified
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A)[Ar]4s23d3
B)[Xe]6s24f145d4
C)[Ne]3s1
D)[Xe]6s24f7
E)[Kr]5s24d105p5
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