Terbium — Tb
The chemical element Terbium is an element of type Metal lanthanides with the symbol Tb. It has an atomic mass of 158.92535 u and an electronic configuration of [Xe] 4f9 6s2.
Synthétique
Radioactif
Liquide
Gaz
3041°
3
4
8
18
27
8
2
- Atomic number
- 65
- Atomic mass
- 158.92535
- Symbol
- Tb
- Melting point
- 1360
- Boiling point
- 3041
- Density
- 8.229
- Period
- 6
- Group
- 0
- Discovery
- 1843 Mosander
- Abundance
- 1.2
- Radius
- 2.5
- Electronegativity
- 1.2
- Ionization
- 5.8638
- Isotope
- 24
- Electronic configuration
- [Xe] 4f9 6s2
- Oxidation state
- 1,3,4
- Electron
- 2,8,18,27,8,2
Minerals containing Terbium
| first name | Hardness | Density | Chemical formula |
|---|---|---|---|
| Decrespignyite-(Y) | — | 3.64 | Y4Cu(CO3)4Cl(OH)5·2H2O |
| Hingganite-(Y) | — | 0.00 | BeY(SiO4)(OH) |
| Lepersonnite-(Gd) | — | 3.97 | CaGd2(UO2)24(CO3)8Si4O28·60H2O |
| Moskvinite-(Y) | — | 2.91 | Na2KYSi6O15 |
| Samarskite-(Yb) | — | 7.03 | YbNbO4 |