The Periodic Table of Elements
99
Es
Einsteinium
[ 252 ] amu
Additional Information:
| State | Group Block | Density | Atomic Radius | Electron Affinity | Ionization Energy | Melting Point | Boiling Point | Year Discovered |
|---|---|---|---|---|---|---|---|---|
| solid | actinoid | kg/L | pm | 619 kJ/mol | 1133 °K | °K | 1952 |
