Iodínì

Iodine
	53I
	tellurium ← iodine → xenon
Ìhànsójú
	solid violet-dark gray, lustrous;
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà	iodine, I, 53
Ẹ̀ka ẹ́límẹ̀nti	halogen
Ẹgbẹ́, àsìkò, àdìpò	17, 5, p
Ìwúwo átọ́mù	126.90447
Ìtòléra ẹ̀lẹ́ktrónì	[Kr] 4d10 5s2 5p5; 2, 8, 18, 18, 7
Physical properties
Phase	solid
Density (near r.t.)	4.933 g·cm−3
Melting point	386.85 K, 113.7 °C, 236.66 °F
Boiling point	457.4 K, 184.3 °C, 363.7 °F
Triple point	386.65 K (113°C), 12.1 kPa
Critical point	819 K, 11.7 MPa
Heat of fusion	(I2) 15.52 kJ·mol−1
Heat of vaporization	(I2) 41.57 kJ·mol−1
Molar heat capacity	(I2) 54.44 J·mol−1·K−1
Vapor pressure (rhombic)
Atomic properties
Oxidation states	7, 5, 3, 1, -1; (strongly acidic oxide)
Electronegativity	2.66 (Pauling scale)
Ionization energies	1st: 1008.4 kJ·mol−1
	2nd: 1845.9 kJ·mol−1
	3rd: 3180 kJ·mol−1
Atomic radius	140 pm
Covalent radius	139±3 pm
Van der Waals radius	198 pm
Miscellanea
Crystal structure	orthorhombic
Magnetic ordering	diamagnetic
Electrical resistivity	(0 °C) 1.3×107Ω·m
Thermal conductivity	0.449 W·m−1·K−1
Bulk modulus	7.7 GPa
CAS registry number	7553-56-2
Àwọn ísótòpù dídúró jùlọ
	Main article: Àwọn ísótòpù iodine
	w; ọ; a; · r

Iodine (pípè /ˈaɪ.ɵdaɪn/ EYE-o-dyne, /ˈaɪ.ɵdɨn/ EYE-o-dən, tabi /ˈaɪ.ɵdiːn/ EYE-o-deen; lati Gíríkì: ιώδης iodes meaning violet (or purple), je apilese kemika to ni ami-idamo I ati noma atomu 53.

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