Chelate: a polydentate ligand, when coordinated at two or more points to a central ion, forms a ring structure such as illustrated by the ethylenediamine complex of cobalt above. This type of complex is called a chelate.
The Coordination Complex 配位化合物
Notes:
cathode [‘kæθəʊd] 阴极 cathodic [kə‘θɔdik] 阴极的 cation [‘kætaiən] 阳离子 cationic [‘kætaiɔnik] 阳离子的 anode [‘ænəʊd] 阳极 anodic [ə’nɔdik] 阳极的 anion [‘ænaiən] 阴离子 anionic [‘ænaiɔnik] 阴离子的 Nonionic [‘nɔnaiɔnik] 非离子的
[Ag(NH3)2]Cl
Diamminesilver(I) chloride
K4[Fe(CN)6]
Potassium hexacyanoferrate(II)
[Co(NH3)3(NO2)3]0 Triamminetrinitrocobalt(III)
[Cu(NH3)4]SO4 Tetramminecopper(II) sulfate
methylamine: methyl-, amine (甲胺) Ethylenediamine: ethyl-, -ene, di-, amine (乙二胺)
Naming the coordination compounds