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Californium, 98Cf
![A very small disc of silvery metal, magnified to show its metallic texture](//upload.wikimedia.org/wikipedia/commons/9/93/Californium.jpg) |
Ki-pún sèng-chit |
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Miâ, hû-hō |
californium, Cf |
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Gōa-hêng |
silvery |
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Californium tī chiu-kî-piáu lāi ê ūi-tì |
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|
Goân-chú-hoan |
98 |
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Goân-chú-liōng |
(251) |
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Goân-sò͘ lūi-pia̍t |
actinium-hē |
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Cho̍k, hun-khu |
n/a, f khu |
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Chiu-kî |
tē 7 chiu-kî |
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Tiān-chú pâi-lia̍t |
[Rn] 5f10 7s2 |
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per shell |
2, 8, 18, 32, 28, 8, 2 |
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Bu̍t-lí sèng-chit |
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Siòng |
kò͘-thé |
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Iûⁿ-tiám |
1173 K (900 °C, 1652 °F) |
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Hut-tiám |
1743 K (1470 °C, 2678 °F) (estimation)[3] |
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Bi̍t-tō͘ (sek-un) |
15.1 g·cm−3 |
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Goân-chú sèng-chit |
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Sng-hòa-sò͘ |
2, 3, 4 |
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Tiān-hū-tō͘ |
Pauling scale: 1.3 |
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Tiān-lī-lêng |
1st: 608 kJ·mol−1 |
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Cha̍p-lio̍k |
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Chiⁿ-thé kò͘-chō |
double hexagonal close-packed (dhcp) |
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Mohs ngē-tō͘ |
3–4 |
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CAS teng-kì pian-hō |
7440-71-3 |
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Le̍k-sú |
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Hō-miâ |
after California, where it was discovered |
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Hoat-hiān |
Lawrence Berkeley National Laboratory (1950) |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: californium ê tông-ūi-sò͘ |
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 sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 98, hoà-ha̍k hû-hō sī Cf.
"Californium" sī ēng California ê miâ-jī khí--ê.