1
Q
s orbital shape
A
spherical/ circle
2
Q
p orbital shape
A
dumbbell like
3
Q
aufbau principle
A
electron fills lowest energy before filling highest energy orbitals
4
Q
pauli exclusion
A
orbital max can hv 2 electrons of opposite spins
5
Q
hund’s rule
A
every orbital is occupied by single electron first bfr receiving second electron
6
Q
Cu configuration
A
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹
7
Q
Cr configuration
A
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹
8
Q
Cu+ configuration
A
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰
9
Q
Cr+ configuration
A
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵
H2 Chemistry
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