Holmium

Holmium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 67, hoà-ha̍k hû-hō sī Ho.

Holmium,  ₆₇Ho

Ki-pún sèng-chit
Miâ, hû-hō	holmium, Ho
Gōa-hêng	silvery white
Holmium tī chiu-kî-piáu lāi ê ūi-tì
– ↑ Ho ↓ Es dysprosium ← holmium → erbium
Goân-chú-hoan	67
Goân-chú-liōng (±)	164.93033(2)[1]
Goân-sò͘ lūi-pia̍t	lanthanum-hē
Cho̍k, hun-khu	n/a, f khu
Chiu-kî	tē 6 chiu-kî
Tiān-chú pâi-lia̍t	[Xe] 4f11 6s2
per shell	2, 8, 18, 29, 8, 2
Bu̍t-lí sèng-chit
Siòng	solid
Iûⁿ-tiám	1734 K ​(1461 °C, ​2662 °F)
Hut-tiám	2873 K ​(2600 °C, ​4712 °F)
Bi̍t-tō͘  (sek-un)	8.79 g·cm−3
8.34 g·cm−3
Iûⁿ-hoà-jia̍t	17.0 kJ·mol−1
Cheng-hoat-jia̍t	251 kJ·mol−1
Jia̍t-iông-liōng	27.15 J·mol−1·K−1
cheng-khì-ap P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 1432 1584 (1775) (2040) (2410) (2964)
Goân-chú sèng-chit
Sng-hòa-sò͘	3, 2, 1 ​(a basic oxide)
Tiān-hū-tō͘	Pauling scale: 1.23
Tiān-lī-lêng	1st: 581.0 kJ·mol−1 2nd: 1140 kJ·mol−1 3rd: 2204 kJ·mol−1
Goân-chú pòaⁿ-kèng	empirical: 176 pm
Kiōng-kè pòaⁿ-kèng	192±7 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​hexagonal close-packed (hcp)
Siaⁿ-sok (sòe kùn-á)	2760 m·s−1 (at 20 °C)
Jia̍t-phòng-tiòng	poly: 11.2 µm·m−1·K−1 (at r.t.)
Jia̍t-thoân-tō-lu̍t	16.2 W·m−1·K−1
Tiān-chó͘-lu̍t	poly: 814 nΩ·m (at r.t.)
Chû-sèng	paramagnetic
Young hē-sò͘	64.8 GPa
Shear hē-sò͘	26.3 GPa
Bulk hē-sò͘	40.2 GPa
Poisson pí	0.231
Vickers ngē-tō͘	410–600 MPa
Brinell ngē-tō͘	500–1250 MPa
CAS teng-kì pian-hō	7440-60-0
Le̍k-sú
Hoat-hiān	Marc Delafontaine (1878)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: holmium ê tông-ūi-sò͘
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