Chemistry, 16.09.2019 04:20 sporting06
1.) which of the following have the correct sequence of orbitals in a multi electron atom from lowest to highest energy? if the orbitals are not in order of increasing energy, put them in the correct order.
2p < 3s < 2s
3p < 4s < 3d
3p < 3d < 4s
2p < 2s < 1s
3s < 4s < 3p
2.) rewrite the electron configurations for the atoms below using core electron notation.
determine the number of valence electrons for each atom.
b 1s22s22p1
ca 1s22s22p63s23p64s2
cl 1s22s22p63s23p5
3.)the following electron configurations correspond to neutral atoms in excited states. what is the element and what is the ground state electron configuration for each atom?
1. 1s2 2s2 2p6 3s2 3p6 3d5
2. [kr] 5s2 4d10 5p4 6s1
Answers: 2
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