Fermium
Fermium (Symbol Fm) ass e syntheetescht cheemescht Element mat der Uerdnungszuel 100 am Periodesystem vun den Elementer. D'Uerdnungszuel 100 bedeit, datt e Ferm…
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| Fermium | |
|---|---|
| (fr) fermium | |
 Positioun vum Fermium am Periodesystem | |
| Allgemenges | |
| Symbol | Fm |
| Uerdnungszuel | 100 |
| Virgänger |
Einsteinium  |
| Nofollger |
Mendelevium |
| Elementkategorie | Schwéiermetaller, Actinoiden |
| Gehéiert zu |
7. Period vum Periodesystem, Actinoid |
| CAS-Nummer | 7440-72-4 |
| Atomar | |
| Atommass | 257,095 |
| Elektronekonfiguratioun | [Rn] 7s² 5f¹² |
| Physikalesch | |
| Schmëlzpunkt | 1.125,0 K |
| Cheemesch | |
| Aner Informatiounen | |
| Entdecker | Glenn T. Seaborg |
| Datum | Dezember 1952 |
| Genannt no | Enrico Fermi |
| Elektronecouche | |
 Elektronekonfiguratioun vum Fermium | |
 | |
Fermium (Symbol Fm) ass e syntheetescht cheemescht Element mat der Uerdnungszuel 100 am Periodesystem vun den Elementer. D'Uerdnungszuel 100 bedeit, datt e Fermium-Atom 100 Protonen an 100 Elektronen a sengem Grondzoustand huet. Déi relativ Atommass vu sengem stabilsten Isotop ass 257.
Um Spaweck
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Commons: Fermium – Biller, Videoen an Audiodateien |
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