Es (Einsteinium) is an element with position number 99 in the periodic table.
Located in the VII period. Melting point: 860 ℃. Density: 13.5 g/cm3.
Electronic configuration of the Einsteinium atom in ascending order of orbital energies:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f11
Electronic configuration of the Einsteinium atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f11 6s2 6p6 7s2
Reduced electronic configuration Es:
[Rn] 5f11 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f11
Electronic configuration of the Einsteinium atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f11 6s2 6p6 7s2
Reduced electronic configuration Es:
[Rn] 5f11 7s2
Below is the electronic diagram of the Einsteinium atom
Distribution of electrons over energy levels in the Es 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): 29
6-st level (P): 8
7-st level (Q): 2
1-st level (K): 2
2-st level (L): 8
3-st level (M): 18
4-st level (N): 32
5-st level (O): 29
6-st level (P): 8
7-st level (Q): 2
Oxidation states of Einsteinium: +2, +3
Other elements
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Electronic configurations of other elements
Californium (Cf) electron configurationFermium (Fm) electron configuration
Electronic configuration table
