Zirconium

Zirconium
	40Zr
	yttrium ← zirconium → niobium
Ìhànsójú
	silvery white;
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà	zirconium, Zr, 40
Ẹ̀ka ẹ́límẹ̀nti	transition metal
Ẹgbẹ́, àsìkò, àdìpò	4, 5, d
Ìwúwo átọ́mù	91.224
Ìtòléra ẹ̀lẹ́ktrónì	[Kr] 5s2 4d2; 2, 8, 18, 10, 2
Physical properties
Phase	solid
Density (near r.t.)	6.52 g·cm−3
Liquid density at m.p.	5.8 g·cm−3
Melting point	2128 K, 1855 °C, 3371 °F
Boiling point	4682 K, 4409 °C, 7968 °F
Heat of fusion	14 kJ·mol−1
Heat of vaporization	573 kJ·mol−1
Molar heat capacity	25.36 J·mol−1·K−1
Vapor pressure
Atomic properties
Oxidation states	4, 3, 2, 1,; (amphoteric oxide)
Electronegativity	1.33 (Pauling scale)
Ionization energies	1st: 640.1 kJ·mol−1
	2nd: 1270 kJ·mol−1
	3rd: 2218 kJ·mol−1
Atomic radius	160 pm
Covalent radius	175±7 pm
Miscellanea
Crystal structure	hexagonal close-packed
Magnetic ordering	paramagnetic
Electrical resistivity	(20 °C) 421 nΩ·m
Thermal conductivity	22.6 W·m−1·K−1
Thermal expansion	(25 °C) 5.7 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 3800 m·s−1
Young's modulus	88 GPa
Shear modulus	33 GPa
Bulk modulus	91.1 GPa
Poisson ratio	0.34
Mohs hardness	5.0
Vickers hardness	903 MPa
Brinell hardness	650 MPa
CAS registry number	7440-67-7
Àwọn ísótòpù dídúró jùlọ
	Main article: Àwọn ísótòpù zirconium
	w; ọ; a; · r

Zirconium (pípè /zərˈkoʊniəm/ zər-KOH-ni-əm) je ipilese elegbogi pelu ami-idamo Zr ati nomba atomu 40.

Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí.

Ẹ le fẹ̀ jù báyìí lọ tàbí kí ẹ ṣàtúnṣe rẹ̀ lọ́nà tí yíò mu kúnrẹ́rẹ́. Ẹ ran Wikipedia lọ́wọ́ láti fẹ̀ẹ́ jù báyìí lọ.

Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

↑ "Zirconium: zirconium(I) fluoride compound data". OpenMOPAC.net. Retrieved 2007-12-10.
↑ Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
↑ Pritychenko, Boris. "Adopted Double Beta Decay Data". National Nuclear Data Center. Retrieved 2008-02-11. Unknown parameter |coauthors= ignored (|author= suggested) (help)