Terbium

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Terbium
Tb
In situ availability:
Necessity:
Atomic number: 65
Atomic mass: 158.92534
group: 19
period: N/A
normal phase: Solid
series: Lanthanide
density: 8.23 g/cm3
melting point: 1629K,
1356°C,
2473°F
boiling point: 3503K,
3230°C,
5846°F
SrYZr
Gd ← Tb → Dy
CmBkCf
Atomic radius (pm): 175
Bohr radius (pm): 225
Covalent radius (pm):
Van der Waals radius (pm):
ionic radius (pm): (+3)118
1st ion potential (eV): 5.86
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p6 4d10 4f7
5s2 5p6 5d1
6s2
Electrons Per Shell
2, 8, 18, 27, 8, 2
Electronegativity:
Electron Affinity: -
Oxidation states: 3, 4
Magnetism: Cryogenic Ferromagnetism
Crystal structure: Hexagonal

Terbium is a Lanthanide metal. It has a Hexagonal crystalline structure. This element has a stable isotope of 159




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