Californium, 98Cf| ngoi-kôn |
|---|
silvery
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Californium, Cf |
|---|
| ngoi-hìn |
silvery |
|---|
| Californium chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
98 |
|---|
| ngièn-chṳ́-liòng |
(251) |
|---|
| ngièn-su lui-phe̍t |
actinium-hi |
|---|
| Chhu̍k, fûn-khî |
n/a, f-block |
|---|
| chû-khì |
period 7 |
|---|
| thien-chṳ́ phài-lie̍t |
[Rn] 5f10 7s2 |
|---|
| per shell |
2, 8, 18, 32, 28, 8, 2 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông |
ku-thí |
|---|
| yùng-tiám |
1173 K (900 °C, 1652 °F) |
|---|
| pui-tiám |
1743 K (1470 °C, 2678 °F) (estimation)[3] |
|---|
| Me̍t-thu near Sit-vûn |
15.1 g·cm−3 |
|---|
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
2, 3, 4 |
|---|
| Thien-fu-sin |
Pauling scale: 1.3 |
|---|
| Thien-lì-nèn |
1st: 608 kJ·mol−1 |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho |
double hexagonal close-packed (dhcp) |
|---|
| Mohs hardness |
3–4 |
|---|
| CAS Registry Number |
7440-71-3 |
|---|
| Le̍k-sú |
|---|
| Hí-miàng |
after California, where it was discovered |
|---|
| Fat-hien |
Lawrence Berkeley National Laboratory (1950) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Californium ke thùng-vi-su |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 248Cf |
syn |
333.5 d |
α (100%) |
6.369 |
244Cm |
| SF (2.9×10−3%) |
0.0029 |
– |
| 249Cf |
syn |
351 y |
α (100%) |
6.295 |
245Cm |
| SF (5.0×10−7%) |
4.4×10−7 |
– |
| 250Cf |
syn |
13.08 y |
α (99.92%) |
6.129 |
246Cm |
| SF (0.08%) |
0.077 |
– |
| 251Cf |
syn |
898 y |
α |
6.172 |
247Cm |
| 252Cf |
syn |
2.645 y |
α (96.91%) |
6.217 |
248Cm |
| SF (3.09%) |
– |
– |
| 253Cf |
syn |
17.81 d |
β− (99.69%) |
0.29 |
253Es |
| α (0.31%) |
6.126 |
249Cm |
| 254Cf |
syn |
60.5 d |
SF (99.69%) |
– |
– |
| α (0.31%) |
5.930 |
250Cm |
|
Californium (Hon-ngî: 鉲 kǎ fe̍t-chá 鐦 kāi) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Cf, ngièn-chṳ́ su-muk he 98.
