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Unformatted text preview: s, p, d and f subshells (the l =0,1,2,3 azimuthal quantum number) 2. The 1 s subshell is the first s subshell, the 2 p is the first p subshell (n=2, l =1, 3 d is the first d subshell, and the 4 f is the first f subshell What is the electron configuration for the element Niobium? (41) 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 3 Niobium is actually: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 1 4d 4 The reason is that the 5s and 4d energy levels are quite close and certain electronic arrangements can result in the levels being slightly different than expected. What is the electron configuration of the element Nickel? (28) 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 8 What is the electron configuration for Nickel in terms of the nearest noble gas? [Ar] 4s 2 3d 8 How would the last valence orbital be filled?...
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