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Erbium

Chemical, physical and material properties and data of the chemical element Erbium.


Contents


Erbium

 

General Information about Erbium

Regular nameErbiumChemical symbolErOther namesHistorical namesName meaning, originDiscovery (year)OccurencePosition in the PSEGroup membership

 

Atomar Properties of Erbium

Atomic number Z68 = number of protonsStandard Atomic Weight167.259 (3)

 

Electron configuration of Erbium

1s2s2p3s3p3d4s4p4d4f5s5p5d5f6s6p6d6f7s7p
2262610261012262

Shorthand electron configuration of Erbium: [Xe] 4f12 6s2 .

 

Ionization Energies of Erbium

The following table lists the ionization energies IE (ionization potentials); the IE is the energy required in electron volt (eV) per atom to separate a given electron from an Erbium atom.

IE1IE2IE3IE4
6.107711.9322.7442.7

 

Isotopic Data of Erbium

An overview of the nuclides as well as the isotopic data and properties are listed on the following page: Erbium isotopes.

 

Chemistry of Erbium

 

Electronegativity1.1 (Pauling original)
1.24 (Pauling)
Electron affinity0.312 eV
30.1 kJ mol-1

 

Standard Electrode Potential

E0 (V)SymbolNoxName Ox.
Name Red.
Ox.
Red.
e-
-2.32Er+ III
0
Erbium(III) cation
Erbium
Er3+
⇄ Er (s)
+ 3 e-

 

Material and Physical Properties

Melting point1529 °CEnthalpy of fusion (molar)19.90 kJ mol-1Boiling point2868 °CEnthalpy of vaporization292.2 kJ mol-1Density9.066 g cm-3

 

External Data, Identifiers

CAS registry number7440-52-0InChI =1S/ErInChIKeyUYAHIZSMUZPPFV-UHFFFAOYSA-NPubChem ID23980

 


More Chemistry

isotopes

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Last update: 2022-12-12


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