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.
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