CAS Number | 7440-29-1 |
---|---|
PubChem CID | 23960 |
Atomic Radius | 179 |
Atomic Volume | 19.9 |
Atomic Weight | 232.038 |
Block | f |
Boiling Point | 4,788 |
Bulk Modulus | |
Category | Actinides |
Crystal Structure | Face Centered Cubic |
Color | Silver |
Covalent Radius | 206 |
Density | 11.7 |
Electrical Resistivity | |
Electron Configuration | [Rn] 6d2 7s2 |
Electrons per shell | 2, 8, 18, 32, 18, 10, 2 |
Electronegativity | 1.3 |
Electrons | 90 |
Group | na |
Heat of Fusion | 16 |
Heat of Vaporization | 530 |
Ionization Potential | 6.307 |
Magnetic Ordering | |
Magnetic Susceptibility | |
Mass | 232.038 |
Mass Number | 90 |
Melting Point | 1,842 |
Name | Thorium |
Neutrons | 142 |
Atomic Number | 232 |
Oxidation States | 2, 3, 4 |
Period | 7 |
Phase | Solid |
Poisson Ratio | |
Protons | 90 |
Shear Modulus | |
Specific Heat Capacity | 0.113 |
Symbol | Th |
Thermal Conductivity | 0.54 |
Van der Waals radius | |
Young's Modulus | |
Abundance | |
Abundance in Earth's crust | 0.0006% |
Abundance in Universe | 4×10-8% |
232.0377(4)
232Th
209Th 210Th 211Th 212Th 213Th 214Th 215Th 216Th 217Th 218Th 219Th 220Th 221Th 222Th 223Th 224Th 225Th 226Th 227Th 228Th 229Th 230Th 231Th 233Th 234Th 235Th 236Th 237Th 238Th