Ruthenium electron configuration

Ru (Ruthenium) is an element with position number 44 in the periodic table. Located in the V period. Melting point: 2310 ℃. Density: 12.45 g/cm3.
The order of filling the orbitals with electrons in the Ru atom is an exception to the rule.
Expected electronic configuration
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d6
But in reality, one electron moves from the 5s orbital to the 4d orbital:

Electronic configuration of the Ruthenium atom in ascending order of orbital energies:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d7

Electronic configuration of the Ruthenium atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d7 5s1

Reduced electronic configuration Ru:
[Kr] 4d7 5s1

Below is the electronic diagram of the Ruthenium atom
Orbital diagram of the Ruthenium atom
Distribution of electrons over energy levels in the Ru atom
1-st level (K): 2
2-st level (L): 8
3-st level (M): 18
4-st level (N): 15
5-st level (O): 1
Distribution of electrons in the Ruthenium

Valence electrons of Ruthenium

The number of valence electrons in a Ruthenium atom - 8.
Below are their quantum numbers (N - energy, L - angular momentum, M - magnetic moment, S - spin )
OrbitalNLMS
s500+1/2
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
Oxidation states of Ruthenium: -2, +1, +2, +3, +4, +5, +6, +7, +8
Other elements
Закрыть
Сайт "Ваш онлайн"