Seaborgium
Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́
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| Ìfarahàn |
| unknown, probably silvery, white or metallic gray |
| Àwọn ìní àníkárí |
| Orúkọ, àmì-ìdámọ̀, nọ́mbà |
seaborgium, Sg, 106 |
| Ẹ̀ka apilẹ̀sẹ̀ |
transition metal |
| Àdìpọ̀, ìgbà, block |
6, 7, d |
| Ìwúwo átọ́mù |
[271] g·mol−1 |
| Ìtòjọ ẹ̀lẹ́ktrónì |
[Rn] 7s2 5f14 6d4
(predicted)
|
| Àwọn ẹ̀lẹ́ktrónì lórí ọ̀nà kan |
2, 8, 18, 32, 32, 12, 2
(predicted) (Image) |
| Àwọn ìní aláfójúrí |
| Phase |
solid (presumably) |
| Kíki (tó súnmọ́ r.t.) |
unknown g·cm−3 |
| Atomic properties |
| Oxidation states |
6 |
| Atomic radius (calc.) |
unknown pm |
| Covalent radius |
unknown pm |
| Miscellanea |
| Crystal structure |
unknown |
| CAS registry number |
54038-81-2 |
| Most stable isotopes |
| Main article: Isotopes of seaborgium |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 271Sg |
syn |
1.9 min |
67% α |
8.54 |
267Rf |
| 33% SF |
|
|
| 267Sg |
syn |
1.4 min |
17% α |
8.20 |
263Rf |
| 83% SF |
|
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| 266Sg |
syn |
0.36 s |
SF |
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|
| 265bSg |
syn |
16.2 s |
α |
8.70 |
261gRf |
| 265aSg |
syn |
8.9 s |
α |
8.90,8.84,8.76 |
261Rf |
| 264Sg |
syn |
68 ms |
SF |
|
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| 263mSg |
syn |
0.9 s |
87% α |
9.25 |
259Rf |
| 13% SF |
|
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| 263gSg |
syn |
0.3 s |
α |
9.06 |
259Rf |
| 262Sg |
syn |
15 ms |
SF |
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| 261Sg |
syn |
0.18 s |
98.1% α |
9.62,9.55,9.47,9.42,9.37 |
257gRf |
| 1.3% ε |
|
261Db |
| 0.6% SF |
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| 260Sg |
syn |
3.6 ms |
26% α |
9.81,9.77,9.72 |
256Rf |
| 74% SF |
|
|
| 259Sg |
syn |
0.48 s |
α |
9.62,9.36,9.03 |
255Rf |
| 258Sg |
syn |
2.9 ms |
SF |
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