Rhenium

Rhenium (Hon-ngî: 錸 lái) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Re, ngièn-chṳ́ su-muk he 75.

Rhenium,  ₇₅Re

ngoi-kôn
silvery-grayish
Kî-pún sin-sit
Miàng, fù-ho	Rhenium, Re
ngoi-hìn	silvery-grayish
Rhenium chhai chû-khì-péu ke vi-chi
Tc ↑ Re ↓ Bh wolfram ← Rhenium → osmium
ngièn-chṳ́ sì-sú	75
ngièn-chṳ́-liòng (±)	186.207(1)[1]
ngièn-su lui-phe̍t	ko-thu kîm-su̍k
Chhu̍k, fûn-khî	7 chhu̍k, d-block
chû-khì	period 6
thien-chṳ́ phài-lie̍t	[Xe] 4f14 5d5 6s2
per shell	2, 8, 18, 32, 13, 2
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	3459 K ​(3186 °C, ​5767 °F)
pui-tiám	5869 K ​(5596 °C, ​10,105 °F)
Me̍t-thu near Sit-vûn	21.02 g·cm−3
18.9 g·cm−3
Yùng-fa-ngie̍t	60.43 kJ·mol−1
Chîn-fat-ngie̍t	704 kJ·mol−1
Ngie̍t-yùng-liong	25.48 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 3303 3614 4009 4500 5127 5954
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	7, 6, 5, 4, 3, 2, 1, 0, −1, −3 ​(a mildly acidic oxide)
Thien-fu-sin	Pauling scale: 1.9
Thien-lì-nèn	1st: 760 kJ·mol−1 2nd: 1260 kJ·mol−1 3rd: 2510 kJ·mol−1 (more)
Ngièn-chṳ́ pan-kang	empirical: 137 pm
Khiung-ka pan-kang	151±7 pm
Miscellanea
Chîn-thí keu-chho	​hexagonal close-packed (hcp)
Sâng-suk thin rod	4700 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	6.2 µm·m−1·K−1
Ngie̍t-chhòn-thô-li̍t	48.0 W·m−1·K−1
Thien-chú-li̍t	193 nΩ·m (at 20 °C)
Chhṳ̀-sin	paramagnetic[2]
Young's modulus	463 GPa
Shear modulus	178 GPa
Bulk modulus	370 GPa
Poisson ratio	0.30
Mohs hardness	7.0
Vickers hardness	1350–7850 MPa
Brinell hardness	1320–2500 MPa
CAS Registry Number	7440-15-5
Le̍k-sú
Hí-miàng	after the river Rhine (German: Rhein)
Hoat-kiàn kap siōng chá ê tông-ūi-sò͘	Masataka Ogawa (1908)
Named by	Walter Noddack, Ida Noddack, Otto Berg (1922)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Rhenium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 185Re 37.4% – (α) 2.1947 181Ta 187Re 62.6% 4.12×1010 y α 1.653 183Ta β− 0.0026 187Os
Decay modes in parentheses are predicted, but have not yet been observed