Zirconium

Zirconium, ₄₀Zr
ngoi-kôn
	silvery white;
Kî-pún sin-sit
Miàng, fù-ho	Zirconium, Zr
ngoi-hìn	silvery white
Zirconium chhai chû-khì-péu ke vi-chi
	yttrium ← Zirconium → niobium
ngièn-chṳ́ sì-sú	40
ngièn-chṳ́-liòng (±)	91.224(2)
ngièn-su lui-phe̍t	ko-thu kîm-su̍k
Chhu̍k, fûn-khî	4 chhu̍k, d-block
chû-khì	period 5
thien-chṳ́ phài-lie̍t	[Kr] 4d2 5s2
per shell	2, 8, 18, 10, 2
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	2128 K (1855 °C, 3371 °F)
pui-tiám	4650 K (4377 °C, 7911 °F)
Me̍t-thu near Sit-vûn	6.52 g·cm−3
	5.8 g·cm−3
Yùng-fa-ngie̍t	14 kJ·mol−1
Chîn-fat-ngie̍t	591 kJ·mol−1
Ngie̍t-yùng-liong	25.36 J·mol−1·K−1
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	4, 3, 2, 1, −2 (an amphoteric oxide)
Thien-fu-sin	Pauling scale: 1.33
Thien-lì-nèn	1st: 640.1 kJ·mol−1 ; 2nd: 1270 kJ·mol−1 ; 3rd: 2218 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 160 pm
Khiung-ka pan-kang	175±7 pm
Miscellanea
Chîn-thí keu-chho	hexagonal close-packed (hcp)
Sâng-suk thin rod	3800 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	5.7 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	22.6 W·m−1·K−1
Thien-chú-li̍t	421 nΩ·m (at 20 °C)
Chhṳ̀-sin	paramagnetic
Young's modulus	88 GPa
Shear modulus	33 GPa
Bulk modulus	91.1 GPa
Poisson ratio	0.34
Mohs hardness	5.0
Vickers hardness	820–1800 MPa
Brinell hardness	638–1880 MPa
CAS Registry Number	7440-67-7
Le̍k-sú
Hí-miàng	after zircon, zargun زرگون meaning "gold-colored".
Fat-hien	Martin Heinrich Klaproth (1789)
First isolation	Jöns Jakob Berzelius (1824)
Chui vún-thin ke thùng-vi-su
	Chú vùn-chông: Zirconium ke thùng-vi-su
	Decay modes in parentheses are predicted, but have not yet been observed

Zirconium (Hon-ngî: 鋯 gào) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Zr, ngièn-chṳ́ su-muk he 40.

Chhâm-kháu chṳ̂-liau[phiên-siá | kói ngièn-sṳ́-mâ]

↑ Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
↑ "Zirconium: zirconium(I) fluoride compound data". OpenMOPAC.net. 2007-12-10 chhà-khon.
↑ Lide, D. R., pian. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th pán.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
↑ Pritychenko, Boris; Tretyak, V. "Adopted Double Beta Decay Data". National Nuclear Data Center. 2008-02-11 chhà-khon.

[IUPAC-1] Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights

[2] "Zirconium: zirconium(I) fluoride compound data". OpenMOPAC.net. 2007-12-10 chhà-khon.

[magnet-3] Lide, D. R., pian. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th pán.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.

[4] Pritychenko, Boris; Tretyak, V. "Adopted Double Beta Decay Data". National Nuclear Data Center. 2008-02-11 chhà-khon.

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