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Periodic Table of Elements

Element Ytterbium – Yb

Comprehensive data on the chemical element Ytterbium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Ytterbium. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one studies. Using the "Periodic Table of Elements Quick Navigation" graphic at the bottom of the sidebar menu, one can quickly jump from chemical element to chemical element.

Ytterbium Menu

• Ytterbium Page One
  • Overview of Ytterbium
  • Ytterbium's Name in Other Languages
  • Atomic Structure of Ytterbium
  • Chemical Properties of Ytterbium
  • Physical Properties of Ytterbium
  • Regulatory / Health
  • Who/When/Where/How
• Ytterbium Page Two
  • Nuclides / Isotopes
  • Potential Parent Nuclides

Overview of Ytterbium

Ytterbium's Name in Other Languages

• Latin: Ytterbium
• Czech: Ytterbium
• Croatian: Iterbij
• French: Ytterbium
• German: Ytterbium - s
• Italian: Itterbio
• Norwegian: Ytterbium
• Portuguese: Itérbio
• Russian:
• Spanish: Itérbio
• Swedish: Ytterbium

Atomic Structure of Ytterbium

• Atomic Radius: 2.4Å
• Atomic Volume: 24.79cm³/mol
• Covalent Radius: 1.74Å
• Cross Section (Thermal Neutron Capture) _a/barns: 34.8
• Crystal Structure: Cubic face centered

  

• Electron Configuration:

  1s² 2s²p⁶ 3s²p⁶d¹⁰ 4s²p⁶d¹⁰f¹⁴ 5s²p⁶ 6s²

• Electrons per Energy Level: 2,8,18,32,8,2

  Shell Model
  

• Ionic Radius: 0.858Å
• Filling Orbital: 4f¹⁴
• Number of Electrons (with no charge): 70
• Number of Neutrons (most common/stable nuclide): 103
• Number of Protons: 70
• Oxidation States: 3,2
• Valence Electrons: 4f¹⁴ 6s²

Chemical Properties of Ytterbium

• Electrochemical Equivalent: 2.152g/amp-hr
• Electron Work Function:
• Electronegativity: 1.1 (Pauling); 1.06 (Allrod Rochow)
• Heat of Fusion: 7.66kJ/mol
• Incompatibilities:

• Ionization Potential
  • First: 6.254
  • Second: 12.188
  • Third: 25.03
• Valence Electron Potential (-eV): 50.3

Physical Properties of Ytterbium

• Atomic Mass Average: 173.04
• Boiling Point: 1467K 1194°C 2181°F
• Coefficient of lineal thermal expansion/K^-1: 25E^-6
• Conductivity

  Electrical: 0.0351 10⁶/cm
  Thermal: 0.349 W/cmK

• Density: 6.9g/cc @ 300K
• Description:

  Soft silvery rare earth metal that slowly oxidises in air and react with water.

• Elastic Modulus:
  • Bulk: 30.5/GPa
  • Rigidity: 9.9/GPa
  • Youngs: 23.9/GPa
• Enthalpy of Atomization: 180 kJ/mole @ 25°C
• Enthalpy of Fusion: 7.66 kJ/mole
• Enthalpy of Vaporization: 128.9 kJ/mole
• Flammablity Class:
• Freezing Point: see melting point
• Hardness Scale
  • Brinell: 343 MN m^-2
  • Vickers: 206 MN m^-2
• Heat of Vaporization: 128.9kJ/mol
• Melting Point: 1097K 824°C 1515°F
  
• Molar Volume: 24.84 cm³/mole
• Physical State (at 20°C & 1atm): Solid
• Specific Heat: 0.15J/gK
• Vapor Pressure = 395Pa@824°C

Regulatory / Health

• CAS Number
  • 7440-64-4
• OSHA Permissible Exposure Limit (PEL)
  • No limits set by OSHA
• OSHA PEL Vacated 1989
  • No limits set by OSHA
• NIOSH Recommended Exposure Limit (REL)
  • No limits set by NIOSH
• Levels In Humans:
  Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.
  • Blood/mg dm^-3: n/a
  • Bone/p.p.m: n/a
  • Liver/p.p.m: n/a
  • Muscle/p.p.m: n/a
  • Daily Dietary Intake: n/a
  • Total Mass In Avg. 70kg human: n/a
• Discovery Year: 1878
• Name Origin:

  Named for Ytterby, Sweden.

• Abundance of Ytterbium:
  • Earth's Crust/p.p.m.: 3.3
  • Seawater/p.p.m.:
    • Atlantic Suface: 0.0000005
    • Atlantic Deep: 7.5E-07
    • Pacific Surface: 3.7E-07
    • Pacific Deep: 0.0000022
  • Atmosphere/p.p.m.: N/A
  • Sun (Relative to H=1E¹²): 8
• Sources of Ytterbium:

  Found in minerals such as yttria, monazite, gadolinite, and xenotime. Annual world wide production is around 50 tons. Primary mining areas are USA, Canada, Greenland and Brazil.

• Uses of Ytterbium:

  Used in metallurgical and chemical experiments and sometimes used in stress gauges.

• Additional Notes:

[Last update: 2/22/2007]

Ytterbium Menu

• Ytterbium Page One
  • Overview of Ytterbium
  • Ytterbium's Name in Other Languages
  • Atomic Structure of Ytterbium
  • Chemical Properties of Ytterbium
  • Physical Properties of Ytterbium
  • Regulatory / Health
  • Who/When/Where/How
• Ytterbium Page Two
  • Nuclides / Isotopes
  • Potential Parent Nuclides

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Citing this page

If you need to cite this page, you can copy this text:

Kenneth Barbalace. Periodic Table of Elements - Ytterbium – Yb. EnvironmentalChemistry.com. 1995 - 2009. Accessed on-line: 7/3/2009
http://EnvironmentalChemistry.com/yogi/periodic/Yb.html
.