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Ruthenium, 44Ru
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Ruthenium_a_half_bar.jpg/220px-Ruthenium_a_half_bar.jpg) |
Ki-pún sèng-chit |
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Miâ, hû-hō |
ruthenium, Ru |
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Gōa-hêng |
silvery white metallic |
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Ruthenium tī chiu-kî-piáu lāi ê ūi-tì |
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|
Goân-chú-hoan |
44 |
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Goân-chú-liōng (±) |
101.07(2)[1] |
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Goân-sò͘ lūi-pia̍t |
kòe-tō͘ kim-sio̍k |
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Cho̍k, hun-khu |
8 cho̍k, d khu |
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Chiu-kî |
tē 5 chiu-kî |
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Tiān-chú pâi-lia̍t |
[Kr] 4d7 5s1 |
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per shell |
2, 8, 18, 15, 1 |
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Bu̍t-lí sèng-chit |
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Iûⁿ-tiám |
2607 K (2334 °C, 4233 °F) |
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Hut-tiám |
4423 K (4150 °C, 7502 °F) |
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Bi̍t-tō͘ (sek-un) |
12.45 g·cm−3 |
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10.65 g·cm−3 |
Iûⁿ-hoà-jia̍t |
38.59 kJ·mol−1 |
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Cheng-hoat-jia̍t |
619 kJ·mol−1 |
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Jia̍t-iông-liōng |
24.06 J·mol−1·K−1 |
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cheng-khì-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
tī T (K)
|
2588
|
2811
|
3087
|
3424
|
3845
|
4388
| |
Goân-chú sèng-chit |
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Sng-hòa-sò͘ |
-4, -2, 1,[2] 2, 3, 4, 5, 6, 7, 8 (a mildly acidic oxide) |
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Tiān-hū-tō͘ |
Pauling scale: 2.2 |
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Tiān-lī-lêng |
1st: 710.2 kJ·mol−1 2nd: 1620 kJ·mol−1 3rd: 2747 kJ·mol−1 |
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Goân-chú pòaⁿ-kèng |
empirical: 134 pm |
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Kiōng-kè pòaⁿ-kèng |
146±7 pm |
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Cha̍p-lio̍k |
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Chiⁿ-thé kò͘-chō |
hexagonal close-packed (hcp) |
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Siaⁿ-sok (sòe kùn-á) |
5970 m·s−1 (at 20 °C) |
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Jia̍t-phòng-tiòng |
6.4 µm·m−1·K−1 (at 25 °C) |
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Jia̍t-thoân-tō-lu̍t |
117 W·m−1·K−1 |
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Tiān-chó͘-lu̍t |
71 nΩ·m (at 0 °C) |
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Chû-sèng |
paramagnetic[3] |
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Young hē-sò͘ |
447 GPa |
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Shear hē-sò͘ |
173 GPa |
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Bulk hē-sò͘ |
220 GPa |
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Poisson pí |
0.30 |
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Mohs ngē-tō͘ |
6.5 |
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Brinell ngē-tō͘ |
2160 MPa |
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CAS teng-kì pian-hō |
7440-18-8 |
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Le̍k-sú |
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Hō-miâ |
after Ruthenia (Latin for: medieval Kyivska Rus' region) |
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Hoat-hiān kap siōng chá ê tông-ūi-sò͘ |
Karl Ernst Claus (1844) |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: ruthenium ê tông-ūi-sò͘ |
iso
|
NA
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half-life
|
DM
|
DE (MeV)
|
DP
|
96Ru
|
5.52%
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>6.7×1016 y
|
(β+β+)
|
2.7188
|
96Mo
|
97Ru
|
syn
|
2.9 d
|
ε
|
–
|
97Tc
|
γ
|
0.215, 0.324
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–
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98Ru
|
1.88%
|
–
|
(SF)
|
<11.690
|
–
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99Ru
|
12.7%
|
–
|
(SF)
|
<12.368
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–
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100Ru
|
12.6%
|
–
|
(SF)
|
<13.634
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–
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101Ru
|
17.0%
|
–
|
(SF)
|
<13.205
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–
|
102Ru
|
31.6%
|
–
|
(SF)
|
<12.049
|
–
|
103Ru
|
syn
|
39.26 d
|
β−
|
0.226
|
103Rh
|
γ
|
0.497
|
–
|
104Ru
|
18.7%
|
–
|
(β−β−)
|
1.2997
|
104Pd
|
106Ru
|
syn
|
373.59 d
|
β−
|
0.039
|
106Rh
| |
Decay modes in parentheses are predicted, but have not yet been observed |
Ruthenium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 44, hoà-ha̍k hû-hō sī Ru.