Plutonium

Plutonium,  ₉₄Pu

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
Sm ↑ Pu ↓ (Uqh) neptunium ← plutonium → americium
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 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 –

Plutonium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 94, hoà-ha̍k hû-hō sī Pu.