ChemGlobe Periodic Table of the Elements
http://www.chemglobe.org/ptoe/
/ ChemGlobe / Periodic Table of the Elements
 
 
Ytterbium Metal Solid
Symbol: Yb
Atomic number: 70
Atomic mass: 173.04
Group: Lanthanide
CAS-number: 7440-64-4
 
Table Navigation Panel
Back to periodic table

 
Tm Yb Lu
No

Go to element
Bottom

Physical data

Electronic data  Thermal data  Steric data
Shells: 2,8,18,32,8,2
Orbitals: [Xe] 4f14 6s2
Electronegativity: 1.1, --
1. Ionization potential: 6.2542 eV
2. Ionization potential: 12.188 eV
3. Ionization potential: 25.03 eV
Oxidation states: 3,2
Electrical conductivity: 0.0351 10^6
Melting point: 819 °C
Boiling point: 1196 °C
Specific heat: 0.15 J/gK
Heat of fusion: 7.660 kJ/mol
Heat of vaporization: 128.90 kJ/mol
Thermal conductivity: 0.349 W/cmK
Atomic radius: 2.40 Å
Ionic radius: 0.99 Å ()
Covalent radius: 1.74 Å
Atomic volume: 24.79 cm³/mol
Density (293 K): 6.98 g/cm³
Crystal structure: Cubic: Face centered
Legend     Pocket calculator
Top  Bottom

Isotopes

NuclideAbundance [%]MassSpinHalflifeDecay modeDecay tree
168Yb0.135167.9340--stable--
169Yb01697/232.03dECView
170Yb3.03169.9350--stable--
171Yb14.31170.9371/2--stable--
172Yb21.82171.9370--stable--
173Yb16.13172.9385/2--stable--
174Yb31.84173.9390--stable--
175Yb01757/24.19dBeta-View
176Yb12.73175.9430--stable--
Legend
Top  Bottom

Other info

Name origin:Named for the Swedish village of Ytterby.
Description:Silvery, lustrous, malleable, and ductile metal.
Discovered by:Jean de Marignac
Year:1878
Place:Switzerland
Sources:Found in minerals such as yttria, monazite, gadolinite, and xenotime. Monazite is often 50% rare earth by weight and typically 0.03% ytterbium.
Use(s):Used in metallurgical and chemical experiments.
Top
© 2000 ChemGlobe, Information Submit an error-report ChemGlobe