1.) what is the ground state electron configuration of fe?
how many valence electrons does iron have?
how many unpaired electrons are in the ground state of fe?
2.) write out the electron configurations of the following atoms using an inert gas core. for each atom, give the orbital that will have the valence electron that will experience the smallest effective nuclear charge? which will experience the greatest zeff?
1. s
2. cu
3.) which electron configuration violates hund's rule? which violates the pauli exclusion principle? which violates both?
1s 2s 2p
i. (↑↓) (↑↓) (↑ ) ( ) ( )
ii. (↑↓) (↑↓) (↑ ) (↑ ) ( )
iii. (↑↓) (↑↓) (↑↓) (↑ ) ( )
iv. (↑↓) (↑↑) (↓ ) (↓ ) ( )
v. (↑↓) (↑↓) (↑↑) (↑ ) ( )