Iodine (pípè /ˈaɪ.ɵdaɪn/ EYE -o-dyne , /ˈaɪ.ɵdɨn/ EYE -o-dən , tabi /ˈaɪ.ɵdiːn/ EYE -o-deen ; lati Gíríkì : [ιώδης iodes ] error: {{lang}}: text has italic markup (help ) meaning violet (or purple), je apilese kemika to ni ami-idamo I ati noma atomu 53.
Iodine, 53 I Iodine Pípè / ˈ aɪ ə d aɪ n ,_ ʔ d ɪ n ,_ ʔ d iː n / (EYE-ə -dyn-,_- -din ) Ìhànsójú solid violet-dark gray, lustrous Ìwúwo átọ̀mù A r, std (I) 126.9044 7(3) [ 1] Iodine ní orí tábìlì àyè
Nọ́mbà átọ̀mù (Z ) 53 Ẹgbẹ́ group 17 (halogens) Àyè àyè 5 Àdìpọ̀ Àdìpọ̀-p Ẹ̀ka ẹ́límẹ́ntì Reactive nonmetal Ìtò ẹ̀lẹ́ktrọ́nù [Kr ] 4d10 5s2 5p5 Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan 2, 8, 18, 18, 7 Àwọn ohun ìní ara Ìfarahàn at STP solid Ìgbà ìyọ́ 386.85 K (113.7 °C, 236.66 °F) Ígbà ìhó 457.4 K (184.3 °C, 363.7 °F) Kíki (near r.t. ) 4.933 g/cm3 Triple point 386.65 K, 12.1 kPa Critical point 819 K, 11.7 MPa Heat of fusion (I2 ) 15.52 kJ/mol Heat of (I2 ) 41.57 kJ/mol Molar heat capacity (I2 ) 54.44 J/(mol·K) pressure (rhombic)
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
260
282
309
342
381
457
Atomic properties Oxidation states −1 , +1 , +3 , +4, +5 , +6, +7 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment Electronegativity Pauling scale: 2.66 Atomic radius empirical: 140 pm Covalent radius 139±3 pm Van der Waals radius 198 pm Color lines in a spectral range Spectral lines of iodineOther properties Natural occurrence primordial Crystal structure orthorhombic Thermal conductivity 0.449 W/(m·K) Electrical resistivity 1.3×107 Ω·m (at 0 °C) Magnetic ordering diamagnetic [ 2] Bulk modulus 7.7 GPa CAS Number 7553-56-2 Main isotopes of iodine
Àdàkọ:Category-inline | references
↑ Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi :10.1515/pac-2015-0305 .
↑ Magnetic susceptibility of the elements and inorganic compounds , in Handbook of Chemistry and Physics 81th edition, CRC press.