Periodic table of the elements
ThuliumYtterbiumLutetium
70
Yb
Ytterbium
173.04
2
8
18
32
8
2
70
Yb
Ytterbium
173.04
2
8
18
32
8
2
General
NameYtterbium
SymbolYb
Number70
Chemical seriesLanthanides
Group / Period0 / 6
Blockf-block
CAS registry number7440-64-4

Physical properties
Statesolid
Density6.90 g/cm3
Melting point1097 K (824 °C, 1515 °F)
Boiling point1469 K (1196 °C, 2185 °F)
Critical point

Atomic properties
Atomic Weight173.04 g/mol
Crystal structurecubic face centered
Electronegativity1.10
Atomic radius175 pm
Atomic radius (calculated)222 pm
Electron configuration[Xe] 4f14 6s2
Electrons per shell2, 8, 18, 32, 8, 2
Number of protons70
Number of neutrons103

Other languages
SpanishIterbio
PortugueseItérbio
FrenchYtterbium
GermanYtterbium
ItalianItterbio
RussianИттербий
PolishIterb
Chinese
Arabicإتيربيوم
Turkishİterbiyum
DutchYtterbium


Periodic table of the elements
ThuliumYtterbiumLutetium