Holmium

Holmium,  ₆₇Ho

ngoi-kôn
silvery white
Kî-pún sin-sit
Miàng, fù-ho	holmium, Ho
ngoi-hìn	silvery white
Holmium chhai chû-khì-péu ke vi-chi
– ↑ Ho ↓ Es dysprosium ← holmium → erbium
ngièn-chṳ́ sì-sú	67
ngièn-chṳ́-liòng (±)	164.93033(2)
ngièn-su lui-phe̍t	lanthanum-hi
Chhu̍k, fûn-khî	n/a, f-block
chû-khì	period 6
thien-chṳ́ phài-lie̍t	[Xe] 4f11 6s2
per shell	2, 8, 18, 29, 8, 2
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	1734 K ​(1461 °C, ​2662 °F)
pui-tiám	2873 K ​(2600 °C, ​4712 °F)
Me̍t-thu near Sit-vûn	8.79 g·cm−3
8.34 g·cm−3
Yùng-fa-ngie̍t	17.0 kJ·mol−1
Chîn-fat-ngie̍t	251 kJ·mol−1
Ngie̍t-yùng-liong	27.15 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 1432 1584 (1775) (2040) (2410) (2964)
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	3, 2, 1 ​(a basic oxide)
Thien-fu-sin	Pauling scale: 1.23
Thien-lì-nèn	1st: 581.0 kJ·mol−1 2nd: 1140 kJ·mol−1 3rd: 2204 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 176 pm
Khiung-ka pan-kang	192±7 pm
Miscellanea
Chîn-thí keu-chho	​hexagonal close-packed (hcp)
Sâng-suk thin rod	2760 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	poly: 11.2 µm·m−1·K−1 (at r.t.)
Ngie̍t-chhòn-thô-li̍t	16.2 W·m−1·K−1
Thien-chú-li̍t	poly: 814 nΩ·m (at r.t.)
Chhṳ̀-sin	paramagnetic
Young's modulus	64.8 GPa
Shear modulus	26.3 GPa
Bulk modulus	40.2 GPa
Poisson ratio	0.231
Vickers hardness	410–600 MPa
Brinell hardness	500–1250 MPa
CAS Registry Number	7440-60-0
Le̍k-sú
Fat-hien	Marc Delafontaine (1878)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: holmium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 163Ho syn 4570 y ε 0.003 163Dy 164Ho syn 29 min ε 0.987 164Dy 165Ho 100% – (α) 0.1394 161Tb 166Ho syn 26.763 h β− 1.855 166Er 167Ho syn 3.1 h β− 1.007 167Er
Decay modes in parentheses are predicted, but have not yet been observed

Holmium he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ho, ngièn-chṳ́ su-muk he 67.