Palladium electron configuration

Pd (Palladium) is an element with position number 46 in the periodic table. Located in the V period. Melting point: 1552 ℃. Density: 12.02 g/cm3.
The order of filling the orbitals with electrons in the Pd atom is an exception to the rule.
Expected electronic configuration
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d8
But in reality, two electrons move from the 5s orbital to the 4d orbital:

Electronic configuration of the Palladium atom in ascending order of orbital energies:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10

Electronic configuration of the Palladium atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10

Reduced electronic configuration Pd:
[Kr] 4d10

Below is the electronic diagram of the Palladium atom
Orbital diagram of the Palladium atom
Distribution of electrons over energy levels in the Pd atom
1-st level (K): 2
2-st level (L): 8
3-st level (M): 18
4-st level (N): 18
Distribution of electrons in the Palladium

Valence electrons of Palladium

The number of valence electrons in a Palladium atom - 10.
Below are their quantum numbers (N - energy, L - angular momentum, M - magnetic moment, S - spin )
OrbitalNLMS
d42-2+1/2
d42-1+1/2
d420+1/2
d421+1/2
d422+1/2
d42-2-1/2
d42-1-1/2
d420-1/2
d421-1/2
d422-1/2
Oxidation states of Palladium: +2, +4
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