Ayodiini (Iodine)

Ayodiini

Chemical element, lithophile element

Subclass of	period 5, nonmetal, halogens, diatomic nonmetal, p-block
Part of	period 5, halogens
Has use	iodine in medicine
IPA transc­rip­tion	ˈaɪədaɪn, ˈaɪədiːn, ˈaɪədɪn
Named after	violet
Asso­cia­ted hazard	iodine exposure
Dis­co­ve­rer or inventor	Bernard Courtois
Time of discovery or invention	1811
Location of discovery	Paris
Element symbol	I
Atomic number	53
Electron con­fi­gu­ra­tion	1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵, [Kr] 5s² 4d¹⁰ 5p⁵
Elect­ro­ne­ga­ti­vi­ty	3
Ionic radius	2.20 Å, 0.44 Å, 0.95 Å, 0.42 Å, 0.53 Å
Ioni­za­tion energy	9.31 electronvolt, 9.40 electronvolt, 19.13126±0.00012 electronvolt, 29.57±0.025 electronvolt
Oxidation state	−1, 1, 5, 7, 3
Electric dipole moment	0 debye
Thermal con­duc­ti­vi­ty	0.449 watt per metre kelvin
Density	4,841.14 kilogram per cubic metre
Melting point	113.7 ℃
Boiling point	184.4 ℃
Crystal system	orthorhombic crystal system
Point group	orthorhombic-bipyramidal
Space group	space group 64
Poisson's ratio	0.231
Bulk modulus	4,837,000,000.0 pascal
Shear modulus	3,174,000,000.0 pascal
Mass	126.90447±0.00003 dalton
Has cha­rac­te­ris­tic	diamagnetism
Subject has role	local anti-infective agent, trace metal
Atomic radius	140 picometre
Van der Waals radius	198 picometre
Covalent radius	139 picometre

Gakuwebwa Charles Muwanga !! Ayodiini (Iodine):

• akabonero: I

• namba y'akaziba: 53

• Kiva mu kya lugereeki iôdes (kkala ya violet).