P
B
ART
I
:
DENTIFY THE ELEMENT DESCRIBED BELOW
1. W
?
HICH ELEMENT CONTAINS A FULL SECOND ENERGY LEVEL
2. W
?
HICH ELEMENT CONTAINS THREE UNPAIRED ELECTRONS IN ITS THIRD ENERGY LEVEL
3. W
3
?
HICH ELEMENT CONTAINS FIVE ELECTRONS IN ITS
D ORBITAL
C – R
P
E
C
ART
ULES OF
LECTRON
ONFIGURATIONS
Which of the following “rules” is being violated in each electron configuration below? Explain your
answer for each. Hund’s Rule, Pauli Exclusion Principle, Aufbau Principle
7.
__ __
1s
2s
2p
8.
___
_
_
1s
2s
2p
3s
3p
9.
_
1s
2s
2p
3s
3p
10.
1s
2s
2p
3s
3p
3d
Stability & Electron Configuration – Ch. 4
CHEM