Properties | |
| Atomic Number: | 27 |
| Atomic Weight: | 58.9332 |
| Electron Configuration (at ground state): | 1s22s22p63s23p63d74s2 |
| Oxidation States (Bold most stable): | +2, +3 |
| Boiling Point (K): | 3143 |
| Melting Point (K): | 1768 |
| Density (at 300K -- g/cm3): | 8.90 |
| Atomic Volume (at 300K -- cm3/mol) | 6.70 |
| Number of stable isotopes: | 1 |
| Mass Number (Bold naturally occurring) -- Half-Life -- Disintigration Type: |
56 -- 78.8 days -- positron emission, orbital electron capture 57 -- 270 days -- orbital electron capture 58 -- 71.3 days -- positron emission, orbital electron capture 60 -- 5.272 years -- beta particle (electron) emission |
| Covalent Radius (Å): | 1.16 |
| Atomic Radius (Å): | 1.25 |
| First Ionization Potential (V): | 7.86 |
| Electronegativity (Pauling's): | 1.88 |
| Specific Heat Capacity (at 300K -- J g-1 K-1): | 0.421 |
| Heat of Vaporization (kJ/mol): | 373.3 |
| Heat of Fusion (kJ/mol): | 16.19 |
Electrical Conductivity (at 293K for polycrystalline material -- 106  -1 cm-1): |
17.9 |
| Thermal Conductivity (at 300K -- W m-1 K-1): | 100 |
| Crystal Structure: |  Hexagonal |
| Acid-Base Properties: |  Amphoteric |