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Periodic table
Characteristics of the element
Symbol:
Er
Name:
Erbium
Latin name:
Erbium
Atomic number:
68
Atomic mass:
167,26
Melting point:
1529 (°C)
Boiling point:
2868 (°C)
Density
9,066 (g/cm
3
)
Electronegativity:
1,1
Oxidation number:
III
Number of neutrons:
99
Crystal structure:
Hexagonal
Chemical serie:
Rare earth elements
Color:
gray
Electron configuration:
2-8-18-30-8-2
Year of discovery::
1843
Pure material
Symbol
Name
Next information
Er
Erbium
more
Compounds
Symbol
Name
Next information
Er
2
O
3
Oxid erbia
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Sputtering targets
Symbol
Name
Next information
Er
Erbium
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Update: 26.11.25
Update: 26.11.25 Update: 26.11.25