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
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
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
1-st level (K): 2
2-st level (L): 8
3-st level (M): 18
4-st level (N): 18
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 )
Below are their quantum numbers (N - energy, L - angular momentum, M - magnetic moment, S - spin )
Orbital | N | L | M | S |
---|---|---|---|---|
d | 4 | 2 | -2 | +1/2 |
d | 4 | 2 | -1 | +1/2 |
d | 4 | 2 | 0 | +1/2 |
d | 4 | 2 | 1 | +1/2 |
d | 4 | 2 | 2 | +1/2 |
d | 4 | 2 | -2 | -1/2 |
d | 4 | 2 | -1 | -1/2 |
d | 4 | 2 | 0 | -1/2 |
d | 4 | 2 | 1 | -1/2 |
d | 4 | 2 | 2 | -1/2 |
Oxidation states of Palladium: +2, +4
Other elements
Electronic configurations of other elements
Rhodium (Rh) electron configurationSilver (Ag) electron configuration
Electronic configuration table