I ê goân-chú-hoan sī 94, hoà-ha̍k hû-hō sī Pu.
Plutonium, 94 Pu Ki-pún sèng-chit Miâ, hû-hō plutonium, Pu Gōa-hêng silvery white, tarnishing to dark gray in air Plutonium tī chiu-kî-piáu lāi ê ūi-tì Goân-chú-hoan 94 Goân-chú-liōng (244) Goân-sò͘ lūi-pia̍t actinium-hē Cho̍k , hun-khu n/a , f khu Chiu-kî tē 7 chiu-kî Tiān-chú pâi-lia̍t [Rn ] 5f6 7s2 per shell 2, 8, 18, 32, 24, 8, 2 Bu̍t-lí sèng-chit Siòng kò͘-thé Iûⁿ-tiám 912.5 K (639.4 °C, 1182.9 °F) Hut-tiám 3505 K (3228 °C, 5842 °F) Bi̍t-tō͘ (sek-un ) 19.816 g·cm−3 16.63 g·cm−3 Iûⁿ-hoà-jia̍t 2.82 kJ·mol−1 Cheng-hoat-jia̍t 333.5 kJ·mol−1 Jia̍t-iông-liōng 35.5 J·mol−1 ·K−1 cheng-khì-ap P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 1756 1953 2198 2511 2926 3499
Goân-chú sèng-chit Sng-hòa-sò͘ 8, 7, 6, 5, 4 , 3, 2, 1 (an amphoteric oxide) Tiān-hū-tō͘ Pauling scale: 1.28 Tiān-lī-lêng 1st: 584.7 kJ·mol−1 Goân-chú pòaⁿ-kèng empirical: 159 pm Kiōng-kè pòaⁿ-kèng 187±1 pm Cha̍p-lio̍k Chiⁿ-thé kò͘-chō monoclinic Siaⁿ-sok 2260 m·s−1 Jia̍t-phòng-tiòng 46.7 µm·m−1 ·K−1 (at 25 °C) Jia̍t-thoân-tō-lu̍t 6.74 W·m−1 ·K−1 Tiān-chó͘-lu̍t 1.460 µΩ·m (at 0 °C) Chû-sèng paramagnetic Young hē-sò͘ 96 GPa Shear hē-sò͘ 43 GPa Poisson pí 0.21 CAS teng-kì pian-hō 7440-07-5 Le̍k-sú Hō-miâ after dwarf planet Pluto , itself named after classical god of the underworld Pluto Hoat-hiān Glenn T. Seaborg , Arthur Wahl, Joseph W. Kennedy, Edwin McMillan (1940–1) Chòe ún-tēng ê tông-ūi-sò͘ Chú bûn-chiong: plutonium ê tông-ūi-sò͘ iso NA half-life DM DE (MeV) DP 238 Pu trace 87.74 y SF 204.66 – α 5.5 234 U 239 Pu trace 2.41×104 y SF 207.06 – α 5.157 235 U 240 Pu trace 6.5×103 y SF 205.66 – α 5.256 236 U 241 Pu syn 14 y β− 0.02078 241 Am SF 210.83 – 242 Pu syn 3.73×105 y SF 209.47 – α 4.984 238 U 244 Pu trace 8.08×107 y α 4.666 240 U SF –
Chham-khó
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