As (Arsenic) is an element with position number 33 in the periodic table.
Located in the IV period. Melting point: 613 ℃. Density: 5.72 g/cm3.
Electronic configuration of the Arsenic atom in ascending order of orbital energies:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3
Electronic configuration of the Arsenic atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Reduced electronic configuration As:
[Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3
Electronic configuration of the Arsenic atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Reduced electronic configuration As:
[Ar] 3d10 4s2 4p3
Below is the electronic diagram of the Arsenic atom
Distribution of electrons over energy levels in the As atom
1-st level (K): 2
2-st level (L): 8
3-st level (M): 18
4-st level (N): 5
1-st level (K): 2
2-st level (L): 8
3-st level (M): 18
4-st level (N): 5
Valence electrons of Arsenic
The number of valence electrons in a Arsenic atom - 5.
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 |
|---|---|---|---|---|
| s | 4 | 0 | 0 | +1/2 |
| s | 4 | 0 | 0 | -1/2 |
| p | 4 | 1 | -1 | +1/2 |
| p | 4 | 1 | 0 | +1/2 |
| p | 4 | 1 | 1 | +1/2 |
Oxidation states of Arsenic: -3, +2, +3, +5
Other elements
Share the information with your friends
Electronic configurations of other elements
Germanium (Ge) electron configurationSelenium (Se) electron configuration
Electronic configuration table
