
Properties | |
| Atomic Number: | 100 |
| Atomic Weight: | (257) |
| Electron Configuration (at ground state): | 1s22s22p63s23p63d104s24p64d105s25p64f145d105f126s26p67s2 |
| Oxidation States (Bold most stable): | +3 |
| Melting Point (K): | 1800 |
| Mass Number (Bold naturally occurring) -- Half-Life -- Disintigration Type: |
255 -- 20.1 hours -- alpha particle emission 257 -- 100.5 days -- alpha particle emission |
| First Ionization Potential (V): | 6.50 |
| Electronegativity (Pauling's): | 1.3 |
| Thermal Conductivity (at 300K -- W m-1 K-1): | 10 |