Periodic Table of the Elements: Einsteinium
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
(showing atomic number and atomic symbol; click on atomic symbol for more detailed information)
Groups
..... Click the link for more information.
| Atomic Number: | 99 |
| Atomic Symbol: | Es |
| Einsteiniumeinsteinium [for Albert Einstein], artificially produced radioactive chemical element; symbol Es; at. no. 99; mass no. of most stable isotope 252; m.p. about 860°C;; b.p. and sp. gr. unknown; valence +2, +3. ..... Click the link for more information. | |
| Atomic Weight: | (252) |
| Electron Configuration: | 2 · 8 · 18 32 · 29 8 · 2 |