Rutherfordium
Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́
| Rutherfordium |
|
104Rf
|
|
|
| Ìhànsójú |
| unknown |
| Àwọn ìdámọ́ wíwọ́pọ̀ |
| Orúkọ, àmì-ìdámọ́, nọ́mbà |
rutherfordium, Rf, 104 |
| Ẹ̀ka ẹ́límẹ̀nti |
transition metal |
| Ẹgbẹ́, àsìkò, àdìpò |
4, 7, d |
| Ìwúwo átọ́mù |
[267] |
| Ìtòléra ẹ̀lẹ́ktrónì |
[Rn] 5f14 6d2 7s2
(predicted)
2, 8, 18, 32, 32, 10, 2
(predicted) |
| Physical properties |
| Atomic properties |
| Oxidation states |
4 |
| Miscellanea |
| CAS registry number |
53850-36-5 |
| Àwọn ísótòpù dídúró jùlọ |
| Main article: Àwọn ísótòpù rutherfordium |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 267Rf |
syn |
1.3 h |
SF |
|
|
| 263aRf? |
syn |
~15 m |
SF |
|
|
| α |
7.90 ? |
|
| 263bRf |
syn |
8 s |
SF |
|
|
| 262Rf |
syn |
210 ms |
SF |
|
|
| 261aRf |
syn |
1.1 m |
α |
8.28 |
257No |
| 261bRf |
syn |
3.0 s |
91% SF |
|
|
| 9% α |
8.51 |
257No |
| 260Rf |
syn |
22.2 ms |
SF |
|
|
| 259Rf |
syn |
2.5 s |
~85% α |
8.87,8.77 |
255No |
| ~15% EC (SF?) |
|
259Lr |
| 258Rf |
syn |
14.7 ms |
31% α |
9.05,8.96 |
254No |
| 69% SF |
|
|
| 257mRf |
syn |
4.0 s |
α |
9.02,8.97 |
253No |
| 257gRf |
syn |
3.5 s |
89% α |
8.90,8.78,8.52,8.28 |
253No |
| 11% ε |
|
257Lr |
| 256gRf |
syn |
6.2 ms |
99.7% SF |
|
|
| 0.3% α |
8.79 |
252No |
| 256m1Rf |
syn |
25 µs |
γ |
|
256gRf |
| 256m2Rf |
syn |
17 µs |
γ |
|
256m1Rf |
| 256m3Rf |
syn |
27 µs |
γ |
|
256m2Rf |
| 255Rf |
syn |
1.8 s |
~50% α |
8.81,8.77,8.74,8.71 |
251No |
| ~50% SF |
|
|
| 254Rf |
syn |
22 µs |
SF |
|
|
| 253Rf |
syn |
48 µs |
SF |
|
|
|
|
|
|
· r |
