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Question
What is the ground-state electron configuration of terbium (Tb)?A) 1s22s22p63s23p63d104s24p64d105s25p65d96s2
B) 1s22s22p63s23p63d104s24p64d104f145s25p3
C) 1s22s22p63s23p63d104s24p64d105s25p65d106s1
D) 1s22s22p63s23p63d104s24p64d94f105s25p66s2
E) 1s22s22p63s23p63d104s24p64d104f95s25p66s2
Answer
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