Ruthenium

Ruthenium (Hon-ngî: 釕 liǎo) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ru, ngièn-chṳ́ su-muk he 44.

Ruthenium,  ₄₄Ru

ngoi-kôn
silvery white metallic
Kî-pún sin-sit
Miàng, fù-ho	Ruthenium, Ru
ngoi-hìn	silvery white metallic
Ruthenium chhai chû-khì-péu ke vi-chi
Fe ↑ Ru ↓ Os technetium ← Ruthenium → rhodium
ngièn-chṳ́ sì-sú	44
ngièn-chṳ́-liòng (±)	101.07(2)
ngièn-su lui-phe̍t	ko-thu kîm-su̍k
Chhu̍k, fûn-khî	8 chhu̍k, d-block
chû-khì	period 5
thien-chṳ́ phài-lie̍t	[Kr] 4d7 5s1
per shell	2, 8, 18, 15, 1
vu̍t-lî sin-chṳt
yùng-tiám	2607 K ​(2334 °C, ​4233 °F)
pui-tiám	4423 K ​(4150 °C, ​7502 °F)
Me̍t-thu near Sit-vûn	12.45 g·cm−3
10.65 g·cm−3
Yùng-fa-ngie̍t	38.59 kJ·mol−1
Chîn-fat-ngie̍t	619 kJ·mol−1
Ngie̍t-yùng-liong	24.06 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 2588 2811 3087 3424 3845 4388
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	-4, -2, 1, 2, 3, 4, 5, 6, 7, 8 ​(a mildly acidic oxide)
Thien-fu-sin	Pauling scale: 2.2
Thien-lì-nèn	1st: 710.2 kJ·mol−1 2nd: 1620 kJ·mol−1 3rd: 2747 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 134 pm
Khiung-ka pan-kang	146±7 pm
Miscellanea
Chîn-thí keu-chho	​hexagonal close-packed (hcp)
Sâng-suk thin rod	5970 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	6.4 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	117 W·m−1·K−1
Thien-chú-li̍t	71 nΩ·m (at 0 °C)
Chhṳ̀-sin	paramagnetic
Young's modulus	447 GPa
Shear modulus	173 GPa
Bulk modulus	220 GPa
Poisson ratio	0.30
Mohs hardness	6.5
Brinell hardness	2160 MPa
CAS Registry Number	7440-18-8
Le̍k-sú
Hí-miàng	after Ruthenia (Latin for: medieval Kyivska Rus' region)
Hoat-kiàn kap siōng chá ê tông-ūi-sò͘	Karl Ernst Claus (1844)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Ruthenium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 96Ru 5.52% >6.7×1016 y (β+β+) 2.7188 96Mo 97Ru syn 2.9 d ε – 97Tc γ 0.215, 0.324 – 98Ru 1.88% – (SF) <11.690 – 99Ru 12.7% – (SF) <12.368 – 100Ru 12.6% – (SF) <13.634 – 101Ru 17.0% – (SF) <13.205 – 102Ru 31.6% – (SF) <12.049 – 103Ru syn 39.26 d β− 0.226 103Rh γ 0.497 – 104Ru 18.7% – (β−β−) 1.2997 104Pd 106Ru syn 373.59 d β− 0.039 106Rh
Decay modes in parentheses are predicted, but have not yet been observed