The Periodic Table of Elements
40
Zr
Zirconium
91.224(2) amu
Additional Information:
| State | Group Block | Density | Atomic Radius | Electron Affinity | Ionization Energy | Melting Point | Boiling Point | Year Discovered |
|---|---|---|---|---|---|---|---|---|
| solid | transition metal | 6.511 kg/L | 148 pm | -41 | 640 kJ/mol | 2128 °K | 4682 °K | 1789 |
