Plutonium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 94, hoà-ha̍k hû-hō sī Pu.
Quick Facts Ki-pún sèng-chit, Miâ, hû-hō ...
Plutonium, 94Pu
![Two shiny pellets of Pu about 3 cm in diameter.](//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Plutonium3.jpg/220px-Plutonium3.jpg) |
Ki-pún sèng-chit |
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Miâ, hû-hō |
plutonium, Pu |
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Gōa-hêng |
silvery white, tarnishing to dark gray in air |
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Plutonium tī chiu-kî-piáu lāi ê ūi-tì |
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Goân-chú-hoan |
94 |
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Goân-chú-liōng |
(244) |
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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] 5f6 7s2 |
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per shell |
2, 8, 18, 32, 24, 8, 2 |
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Bu̍t-lí sèng-chit |
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Siòng |
kò͘-thé |
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Iûⁿ-tiám |
912.5 K (639.4 °C, 1182.9 °F) |
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Hut-tiám |
3505 K (3228 °C, 5842 °F) |
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Bi̍t-tō͘ (sek-un) |
19.816 g·cm−3 |
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16.63 g·cm−3 |
Iûⁿ-hoà-jia̍t |
2.82 kJ·mol−1 |
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Cheng-hoat-jia̍t |
333.5 kJ·mol−1 |
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Jia̍t-iông-liōng |
35.5 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) |
1756 |
1953 |
2198 |
2511 |
2926 |
3499 |
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Goân-chú sèng-chit |
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Sng-hòa-sò͘ |
8, 7, 6, 5, 4, 3, 2, 1 (an amphoteric oxide) |
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Tiān-hū-tō͘ |
Pauling scale: 1.28 |
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Tiān-lī-lêng |
1st: 584.7 kJ·mol−1 |
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Goân-chú pòaⁿ-kèng |
empirical: 159 pm |
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Kiōng-kè pòaⁿ-kèng |
187±1 pm |
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Cha̍p-lio̍k |
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Chiⁿ-thé kò͘-chō |
monoclinic |
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Siaⁿ-sok |
2260 m·s−1 |
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Jia̍t-phòng-tiòng |
46.7 µm·m−1·K−1 (at 25 °C) |
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Jia̍t-thoân-tō-lu̍t |
6.74 W·m−1·K−1 |
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Tiān-chó͘-lu̍t |
1.460 µΩ·m (at 0 °C) |
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Chû-sèng |
paramagnetic |
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Young hē-sò͘ |
96 GPa |
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Shear hē-sò͘ |
43 GPa |
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Poisson pí |
0.21 |
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CAS teng-kì pian-hō |
7440-07-5 |
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Le̍k-sú |
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Hō-miâ |
after dwarf planet Pluto, itself named after classical god of the underworld Pluto |
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Hoat-hiān |
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan (1940–1) |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: plutonium ê tông-ūi-sò͘ |
iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
238Pu |
trace |
87.74 y |
SF |
204.66 |
– |
α |
5.5 |
234U |
239Pu |
trace |
2.41×104 y |
SF |
207.06 |
– |
α |
5.157 |
235U |
240Pu |
trace |
6.5×103 y |
SF |
205.66 |
– |
α |
5.256 |
236U |
241Pu |
syn |
14 y |
β− |
0.02078 |
241Am |
SF |
210.83 |
– |
242Pu |
syn |
3.73×105 y |
SF |
209.47 |
– |
α |
4.984 |
238U |
244Pu |
trace |
8.08×107 y |
α |
4.666 |
240U |
SF |
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– |
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