Lutetium

Lutetium,  ₇₁Lu

Ki-pún sèng-chit
Miâ, hû-hō	lutetium, Lu
Gōa-hêng	silvery white
Lutetium tī chiu-kî-piáu lāi ê ūi-tì
Y ↑ Lu ↓ Lr ytterbium ← lutetium → hafnium
Goân-chú-hoan	71
Goân-chú-liōng (±)	174.9668(1)
Goân-sò͘ lūi-pia̍t	lanthanum-hē sometimes considered a transition metal
Cho̍k, hun-khu	n/a cho̍k, d khu
Chiu-kî	tē 6 chiu-kî
Tiān-chú pâi-lia̍t	[Xe] 6s2 4f14 5d1
per shell	2, 8, 18, 32, 9, 2
Bu̍t-lí sèng-chit
Siòng	solid
Iûⁿ-tiám	1925 K ​(1652 °C, ​3006 °F)
Hut-tiám	3675 K ​(3402 °C, ​6156 °F)
Bi̍t-tō͘  (sek-un)	9.841 g·cm−3
9.3 g·cm−3
Iûⁿ-hoà-jia̍t	ca. 22 kJ·mol−1
Cheng-hoat-jia̍t	414 kJ·mol−1
Jia̍t-iông-liōng	26.86 J·mol−1·K−1
cheng-khì-ap P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 1906 2103 2346 (2653) (3072) (3663)
Goân-chú sèng-chit
Sng-hòa-sò͘	3, 2, 1 ​(a weakly basic oxide)
Tiān-hū-tō͘	Pauling scale: 1.27
Tiān-lī-lêng	1st: 523.5 kJ·mol−1 2nd: 1340 kJ·mol−1 3rd: 2022.3 kJ·mol−1
Goân-chú pòaⁿ-kèng	empirical: 174 pm
Kiōng-kè pòaⁿ-kèng	187±8 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​hexagonal close-packed (hcp)
Jia̍t-phòng-tiòng	poly: 9.9 µm·m−1·K−1 (at r.t.)
Jia̍t-thoân-tō-lu̍t	16.4 W·m−1·K−1
Tiān-chó͘-lu̍t	poly: 582 nΩ·m (at r.t.)
Chû-sèng	paramagnetic
Young hē-sò͘	68.6 GPa
Shear hē-sò͘	27.2 GPa
Bulk hē-sò͘	47.6 GPa
Poisson pí	0.261
Vickers ngē-tō͘	755–1160 MPa
Brinell ngē-tō͘	890–1300 MPa
CAS teng-kì pian-hō	7439-94-3
Le̍k-sú
Hō-miâ	after Lutetia, Latin for: Paris, in the Roman era
Hoat-hiān	Georges Urbain and Carl Auer von Welsbach (1906)
Siōng chá hû-lî	Carl Auer von Welsbach (1906)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: lutetium ê tông-ūi-sò͘
iso NA half-life DM DE (MeV) DP 173Lu syn 1.37 y ε 0.671 173Yb 174Lu syn 3.31 y ε 1.374 174Yb 175Lu 97.41% – (α) 1.6197 171Tm 176Lu 2.59% 3.78×1010 y β− 1.193 176Hf
Decay modes in parentheses are predicted, but have not yet been observed

Lutetium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 71, hoà-ha̍k hû-hō sī Lu.