Thorium

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Thorium
Th
In situ availability:
Necessity:
Atomic number: 90
Atomic mass: 232.0381
group: 19
period: N/A
normal phase: Solid
series: Actinide
density: 11.7 g/cm3
melting point: 2115K,
1842°C,
3348°F
boiling point: 5061K,
4788°C,
8650°F
La ← Ce → Pr
Ac ← Th → Pa
N/A ← N/A → N/A
Atomic radius (pm): 180
Bohr radius (pm):
Covalent radius (pm):
Van der Waals radius (pm):
ionic radius (pm): (+4) 94
1st ion potential (eV): 6.08
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p6 4d10 4f14
5s2 5p6 5d10
6s2 6p6 6d2
7s2
Electrons Per Shell
2, 8, 18, 32, 18, 10, 2
Electronegativity: 1.3
Electron Affinity: -
Oxidation states: 4
Magnetism: ?
Crystal structure: Face centered cubic

Thorium is a Actinide metal. It has a Face centered cubic crystalline structure. This element has no stable isotopes.




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