Ytterbium

Ytterbium he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Yb, ngièn-chṳ́ su-muk he 70.

Ytterbium,  ₇₀Yb

ngoi-kôn
silvery white; with a pale yellow tint
Kî-pún sin-sit
Miàng, fù-ho	ytterbium, Yb
ngoi-hìn	silvery white; with a pale yellow tint
Ytterbium chhai chû-khì-péu ke vi-chi
– ↑ Yb ↓ No thulium ← ytterbium → lutetium
ngièn-chṳ́ sì-sú	70
ngièn-chṳ́-liòng (±)	173.045(10)
ngièn-su lui-phe̍t	lanthanum-hi
Chhu̍k, fûn-khî	n/a, f-block
chû-khì	period 6
thien-chṳ́ phài-lie̍t	[Xe] 4f14 6s2
per shell	2, 8, 18, 32, 8, 2
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	1097 K ​(824 °C, ​1515 °F)
pui-tiám	1469 K ​(1196 °C, ​2185 °F)
Me̍t-thu near Sit-vûn	6.90 g·cm−3
6.21 g·cm−3
Yùng-fa-ngie̍t	7.66 kJ·mol−1
Chîn-fat-ngie̍t	129 kJ·mol−1
Ngie̍t-yùng-liong	26.74 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 736 813 910 1047 (1266) (1465)
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	3, 2, 1 ​(a basic oxide)
Thien-fu-sin	Pauling scale: 1.1 (?)
Thien-lì-nèn	1st: 603.4 kJ·mol−1 2nd: 1174.8 kJ·mol−1 3rd: 2417 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 176 pm
Khiung-ka pan-kang	187±8 pm
Miscellanea
Chîn-thí keu-chho	​face-centered cubic (fcc)
Sâng-suk thin rod	1590 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	β, poly: 26.3 µm·m−1·K−1 (r.t.)
Ngie̍t-chhòn-thô-li̍t	38.5 W·m−1·K−1
Thien-chú-li̍t	β, poly: 0.250 µΩ·m (at r.t.)
Chhṳ̀-sin	paramagnetic
Young's modulus	β form: 23.9 GPa
Shear modulus	β form: 9.9 GPa
Bulk modulus	β form: 30.5 GPa
Poisson ratio	β form: 0.207
Vickers hardness	205–250 MPa
Brinell hardness	340–440 MPa
CAS Registry Number	7440-64-4
Le̍k-sú
Hí-miàng	after Ytterby (Sweden), where it was mined
Fat-hien	Jean Charles Galissard de Marignac (1878)
First isolation	Georges Urbain (1907)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: ytterbium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 166Yb syn 56.7 h ε 0.304 166Tm 169Yb syn 32.026 d ε 0.909 169Tm 170Yb 3.04% – (α) 1.7376 166Er 171Yb 14.28% – (α) 1.5589 167Er 172Yb 21.83% – (α) 1.3103 168Er 173Yb 16.13% – (α) 0.9459 169Er 174Yb 31.83% – (α) 0.7401 170Er 175Yb syn 4.185 d β− 0.470 175Lu 177Yb syn 1.911 h β− 1.399 177Lu
Decay modes in parentheses are predicted, but have not yet been observed