Electron configuration for Radium (element 88). Orbital diagram

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Ra (Radium) is an element with position number 88 in the periodic table. Located in the VII period. Melting point: 700 ℃. Density: 5.5 g/cm³.

Electronic configuration of the Radium atom in ascending order of orbital energies:
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s²

Electronic configuration of the Radium atom in ascending order of the levels:
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p⁶ 7s²

Reduced electronic configuration Ra:
[Rn] 7s²

Below is the electronic diagram of the Radium atom

Distribution of electrons over energy levels in the Ra atom
1-st level (K): 2
2-st level (L): 8
3-st level (M): 18
4-st level (N): 32
5-st level (O): 18
6-st level (P): 8
7-st level (Q): 2

Valence electrons of Radium

The number of valence electrons in a Radium atom - 2.
Below are their quantum numbers (N - energy, L - angular momentum, M - magnetic moment, S - spin )

Orbital	N	L	M	S
s	7	0	0	+1/2
s	7	0	0	-1/2

Oxidation states of Radium: +2

Other elements

Electronic configurations of other elements

Francium (Fr) electron configuration
Actinium (Ac) electron configuration
Electronic configuration table

Radium electron configuration

Valence electrons of Radium

Electronic configurations of other elements