| Ordnungszahl: |
104 |
| Name: |
Rutherfordium |
| Namensursprung: |
Named in honor of Ernest Rutherford |
| Entdeckung: |
1969 by A. Ghiorso, et al in United States |
| Beschreibung: |
Synthetic radioactive metal. |
| Vorkommen: |
Made by bombarding californium-249 with beams of carbon-12 and 13, which produced an isotope with half lives of 4+ and 3 sec. |
| Verwendung: |
It has no significant commercial applications. |
| Gruppe: |
Transition Metal |
| Atomgewicht: |
(261.1089) |
| Schmelzpunkt: |
-- |
| Siedepunkt: |
-- |
| Dichte bei 293 K: |
-- |
| Aggregatszustand bei Raumtemperatur: |
Not Available |
| Schalen: |
2,8,18,32,32,10,2 |
| Orbitale: |
[Rn] 5f14 6d2 7s2 |
| Valenzen: |
-- |
| 1. Ionisierungs- potential: |
-- |
| 2. Ionisierungs- potential: |
-- |
| 3. Ionisierungs- potential: |
-- |
| Atomradius: |
-- |
| Spezifische Wärme: |
-- |
| Verdampfungswärme: |
-- |
| Schmelzwärme: |
-- |
| Thermischer Ausdehnungskoeffizient: |
-- |
| Röntgenemission Energie / Wellenlänge: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| eV |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
| Å |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
| Röntgenabsorption Energie / Wellenlänge: |
| |
K |
L-I |
L-II |
L-III |
M-I |
M-II |
M-III |
M-IV |
M-V |
| eV |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Å |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| Röntgen Fluoreszenz Ausbeute: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| |
0% |
0% |
0% |
0% |
0% |
0% |
|
|
|
|
| Nuklide: |
| |
Anteil |
Gewicht |
Spin |
Halbwertszeit |
Zerfallsmodus |
| Rf257 |
0% |
257.103 |
0 |
4.7s |
α,EC,SF |
| Rf258 |
0% |
258.103 |
0 |
12ms |
SF |
| Rf259 |
0% |
259.106 |
0 |
3.4s |
α,SF |
| Rf261 |
0% |
261.109 |
0 |
1.1m |
α |
|
