The Periodic Table of Elements
43
Tc
Technetium
[ 98 ] amu
Additional Information:
| State | Group Block | Density | Atomic Radius | Electron Affinity | Ionization Energy | Melting Point | Boiling Point | Year Discovered |
|---|---|---|---|---|---|---|---|---|
| solid | transition metal | 11.5 kg/L | 156 pm | -53 | 702 kJ/mol | 2430 °K | 4538 °K | 1937 |
