Chemistry-
General
Easy
Question
The electronic configuration of element when just above the element with atomic number 43 the same periodic group is:
- 1s2 2s2 2p6 3s2 3p6 3d10 4s1 4p6
- 1s2 2s2 2p6 3s2 3p6 3d5 4s1
- 1s2 2s22p63s23p63d54s2
- 1s22s22p63s23p63d104s24p6
The correct answer is: 1s2 2s22p63s23p63d54s2
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