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Uranium, 92 U
Ki-pún sèng-chit Miâ, hû-hō
uranium, U Gōa-hêng
silvery gray metallic; corrodes to a spalling black oxide coat in air Uranium tī chiu-kî-piáu lāi ê ūi-tì
Goân-chú-hoan
92 Goân-chú-liōng (±)
238.02891(3)[ 1] Goân-sò͘ lūi-pia̍t
actinium-hē Cho̍k , hun-khu
n/a , f khu Chiu-kî
tē 7 chiu-kî Tiān-chú pâi-lia̍t
[Rn ] 5f3 6d1 7s2 per shell
2, 8, 18, 32, 21, 9, 2 Bu̍t-lí sèng-chit Siòng
kò͘-thé Iûⁿ-tiám
1405.3 K (1132.2 °C, 2070 °F) Hut-tiám
4404 K (4131 °C, 7468 °F) Bi̍t-tō͘ (sek-un )
19.1 g·cm−3
17.3 g·cm−3 Iûⁿ-hoà-jia̍t
9.14 kJ·mol−1 Cheng-hoat-jia̍t
417.1 kJ·mol−1 Jia̍t-iông-liōng
27.665 J·mol−1 ·K−1
cheng-khì-ap
P (Pa)
1
10
100
1 k
10 k
100 k
tī T (K)
2325
2564
2859
3234
3727
4402
Goân-chú sèng-chit Sng-hòa-sò͘
6 , 5, 4, 3,[ 2] 2, 1 (a weakly basic oxide) Tiān-hū-tō͘
Pauling scale: 1.38 Tiān-lī-lêng
1st: 597.6 kJ·mol−1 2nd: 1420 kJ·mol−1 Goân-chú pòaⁿ-kèng
empirical: 156 pm Kiōng-kè pòaⁿ-kèng
196±7 pm Van der Waals pòaⁿ-kèng
186 pm Cha̍p-lio̍k Chiⁿ-thé kò͘-chō
orthorhombic Siaⁿ-sok (sòe kùn-á)
3155 m·s−1 (at 20 °C) Jia̍t-phòng-tiòng
13.9 µm·m−1 ·K−1 (at 25 °C) Jia̍t-thoân-tō-lu̍t
27.5 W·m−1 ·K−1 Tiān-chó͘-lu̍t
0.280 µΩ·m (at 0 °C) Chû-sèng
paramagnetic Young hē-sò͘
208 GPa Shear hē-sò͘
111 GPa Bulk hē-sò͘
100 GPa Poisson pí
0.23 Vickers ngē-tō͘
1960–2500 MPa Brinell ngē-tō͘
2350–3850 MPa CAS teng-kì pian-hō
7440-61-1 Le̍k-sú Hō-miâ
after planet Uranus , itself named after Greek god of the sky Uranus Hoat-hiān
Martin Heinrich Klaproth (1789) Siōng chá hû-lî
Eugène-Melchior Péligot (1841) Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: uranium ê tông-ūi-sò͘
Uranium (Óa-im: "u-lá-ní-ùm " ) sī 1 ê hoà-ha̍k goân-sò͘ . I ê goân-chú-hoan sī 92, hoà-ha̍k hû-hō sī U.