出典:Wiktionary
出典:『Wiktionary』 (2026/04/25 00:20 UTC 版)
| Chemical element |
|---|
| Es Atomic number 99 einsteinium |
| Previous: ← californium (Cf) |
| Next: fermium (Fm) → |
| English Wikipedia article on Einsteinium |
From Einstein + -ium. Named after Albert Einstein.
einsteinium (uncountable)
| Chemical element |
|---|
| Es Atomic number 99 einsteinium |
| Previous: ← californium (Cf) |
| Next: fermium (Fm) → |
出典:Wikipedia
出典:『Wikipedia』 (2011/06/21 21:15 UTC 版)
Einsteinium (
/aɪnˈstaɪniəm/ yn-sty-nee-əm) is a synthetic element with the symbol Es and atomic number 99. It is the seventh transuranic element, and an actinide.