70
Yb
Ytterbium
173.0451
28183282
#70
Ytterbium
lanthanide· Solid·173.0451 u
Ytterbium is a chemical element with symbol Yb and atomic number 70. It is the fourteenth and penultimate element in the lanthanide series, which is the basis of the relative stability of its +2 oxidation state. However, like the other lanthanides, its most common oxidation state is +3, seen in its oxide, halides and other compounds.
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Identity
- Symbol
- Yb
- Atomic Number
- 70
- Atomic Mass
- 173.0451 u
- Category
- lanthanide
- Block
- f-block
- Period
- 6
- Group
- 3
- Appearance
- Chemical element with atomic number 70 (Yb)
- Year Discovered
- 1878 CE
- Discovered By
- Jean Charles Galissard de Marignac
- Named By
- Ytterby mine
Electrons
- Configuration
- [Xe] 4f14 6s2
- Full Configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14
- Shells
- 2, 8, 18, 32, 8, 2
- Electronegativity
- 1.1
- Electron Affinity
- -1.93
- Oxidation States
- +3, +2
- Ionization Energies
- 603.4, 1174.8, 2417, 4203
Physical Properties
- State at
- Solid
- Melting Point
- 1097
- Boiling Point
- 1469
- Density
- 6.9
- Molar Heat
- 26.74 J/(mol·K)
- Crystal Structure
- FCC
- Magnetic Ordering
- Paramagnetic
Mechanical
- Covalent Radius
- 187 pm
- Metallic Radius
- 176 pm
- Mohs Hardness
- 2
- Bulk Modulus
- 30.5 GPa GPa
- Shear Modulus
- 9.9 GPa GPa
- Young's Modulus
- 23.9 GPa GPa
Thermal & Electrical
- Thermal Conductivity
- 38.5 W/(m K) W/(m·K)
- Electrical Conductivity
- 3.6 MS/m S/m
- Specific Heat
- 155 J/(kg K) J/(g·K)
- Heat of Vaporization
- 159 kJ/mol kJ/mol
- Heat of Fusion
- 7.66 kJ/mol kJ/mol
Abundance
- Universe
- 2.00 ppb
- Sun
- 1.00 ppb
- Meteorite
- 150 ppb
- Earth's Crust
- 3.2 ppm
- Ocean
- 8.2e-7 ppm
- Human Body
- 0