|
|
| Katrangan Umum Unsur
|
| Jeneng, Lambang, Nomer atom
|
rutherfordium, Rf, 104
|
| Dhèrèt kimia |
logam transisi
|
| Golongan, Période, Blok
|
4, 7, d
|
| Massa atom |
[267] g/mol
|
| Konfigurasi elektron |
[Rn] 5f14 6d2 7s2
|
| Cacahing èlèktron saben kulit |
2, 8, 18, 32, 32, 10, 2
|
| Ciri-ciri fisik
|
| Fase |
presumably a padhet
|
| Massa jenis (watara suhu kamar) |
ora dimangertèni g/cm³
|
| Ciri-ciri atom
|
| Struktur kristal |
ora dimangertèni
|
| Bilangan oksidasi |
4
|
| Energi ionisasi
|
pertama: ora dimangertèni kJ/mol
|
| Jari-jari atom (terhitung) |
ora dimangertèni pm
|
| Jari-jari kovalen |
ora dimangertèni pm
|
| Lain-lain
|
| Nomor CAS |
53850-36-5
|
| Isotop
|
| iso
|
NA
|
waktu paruh
|
DM
|
DE (MeV)
|
DP
|
| 267Rf
|
syn
|
1.3 h
|
SF
|
|
|
| 263mRf
|
syn
|
~15 m
|
SF
|
|
|
| α
|
7.90 ?
|
|
| 263gRf
|
syn
|
8 s
|
SF
|
|
|
| 262Rf
|
syn
|
2.1 s
|
SF
|
|
|
| 261mRf
|
syn
|
1.1 m
|
α
|
8.28
|
257No
|
| 261gRf
|
syn
|
3.7 s
|
83% SF
|
|
|
| 17% α
|
8.52
|
257No
|
| 260Rf
|
syn
|
20 ms
|
SF
|
|
|
| 259Rf
|
syn
|
3.1 s
|
93% α
|
8.87,8.77
|
255No
|
| 7% SF
|
|
|
| 258Rf
|
syn
|
13 ms
|
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
|
| 256Rf
|
syn
|
6.2 ms
|
99.7% SF
|
|
|
| 0.3% α
|
8.79
|
252No
|
| 255Rf
|
syn
|
1.8 s
|
~50% α
|
8.81,8.77,8.74,8.71
|
251No
|
| ~50% SF
|
|
|
| 254Rf
|
syn
|
0.022 ms
|
SF
|
|
|
| 253Rf
|
syn
|
0.048 ms
|
SF
|
|
|
|
| Referensi
|
Rutherfordium (uniné /ˌrʌðɚˈfɔrdiəm/) iku unsur kimia sajeroning Tabel périodik kanthi simbul Rf lan nomer atom 104.
