离子列表
铬分族金属

| 元素 | 离子 | 颜色 | 示例 | 化学性质 |
| --- | --- | --- | --- | --- |
| Cr | [Cr(CO)5]2- |  |  |  |
| Cr | [CrH(CO)5]− |  |  |  |
| Cr | [Cr2H(CO)10]− |  |  |  |
| Cr | [Cr3(CO)14]2- |  |  |  |
| Cr | [Cr(CN)5NO]3- |  | K3[Cr(CN)5NO]·H2O |  |
| Cr | [Cr(CN)5NO]4- |  | K4[Cr(CN)5NO] |  |
| Cr | [Cr(CN)6]3- |  | K3[Cr(CN)6] |  |
| Cr | [Cr(CN)6]6- |  | K6[Cr(CN)6] |  |
| Cr | [Cr(CO)3(CN)3]3- |  | K3[Cr(CO)3(CN)3 |  |
| Cr | [Cr(dipy)3]2+ |  | [Cr(dipy)3](ClO4)2 |  |
| Cr | [Cr(dipy)3]+ |  | [Cr(dipy)3]ClO4 |  |
| Cr | [Cr(π-C6H6)2]+ |  | [(π-C6H6)2Cr]AlCl4 |  |
| Cr | Cr2+ | 天蓝 |  | （[Cr(H2O)6]2+的简写） 2 Cr2+ + 4 CH3COO− + 2 H2O → Cr2(CH3COO)4·2H2O↓ |
| Cr | Cr3+ | 灰绿 | Cr(NO3)3 | （[Cr(H2O)6]3+的简写）  Cr3+ + 3 OH− → Cr(OH)3↓  2 Cr3+ + Zn → Zn2+ + 2 Cr2+ |
| Cr | [CrF6]3- |  |  |  |
| Cr | [CrCl6]3- |  |  |  |
| Cr | [CrBr6]3- |  |  |  |
| Cr | [CrI6]3- |  |  |  |
| Cr | [CrF5H2O]2- |  |  |  |
| Cr | [CrCl5H2O]2- |  |  |  |
| Cr | [Cr(H2O)4Cl2]+ |  | [Cr(H2O)4]Cl2]Cl |  |
| Cr | [Cr(H2O)5Cl]2+ |  | [Cr(H2O)5Cl]Cl2 |  |
| Cr | [Cr2Cl9]3- |  |  |  |
| Cr | [Cr2Br9]3- |  |  |  |
| Cr | [Cr2I9]3- |  |  |  |
| Cr | [Cr3F14]5- |  |  |  |
| Cr | [Cr(OH)4]− | 绿 |  |  |
| Cr | [Cr(NH3)6]3+ |  | [Cr(NH3)6](NO3)3 |  |
| Cr | cis-[Cr(NH3)4Cl2]+ | 绿 |  |  |
| Cr | trans-[Cr(NH3)4Cl2]+ | 紫红 |  |  |
| Cr | [Cr(NH3)5(H2O)]3+ |  |  |  |
| Cr | [Cr(NH3)5Cl]2+ |  |  |  |
| Cr | [Cr(NH3)5Br]2+ |  |  |  |
| Cr | [Cr(NH3)5I]2+ |  |  |  |
| Cr | [Cr(NH3)5NCS]2+ |  |  |  |
| Cr | [Cr(NH2CONH2)6]3+ |  |  |  |
| Cr | [Cr(en)3]3+ |  |  |  |
| Cr | cis-[Cr(en)2Cl2]+ |  |  |  |
| Cr | trans-[Cr(en)2Cl2]+ |  |  |  |
| Cr | [Cr(pn)3]3+ |  |  |  |
| Cr | [Cr(dipy)3]3+ |  |  |  |
| Cr | [Cr(phen)3]3+ |  |  |  |
| Cr | [Cr(缩二胍)3]3+ |  |  |  |
| Cr | [Cr(SCN)6]3- |  |  |  |
| Cr | [Cr3(CH3COO)6O]+ |  |  |  |
| Cr | [CrF6]2- |  | K2[CrF6] |  |
| Cr | [CrF5]− |  | Rb[CrF5] |  |
| Cr | CrO32- |  | BaCrO3 |  |
| Cr | CrO44- |  | Ba2CrO4 |  |
| Cr | [CrOF4]− |  |  |  |
| Cr | [CrOCl4]− |  |  |  |
| Cr | [CrOCl5]2- |  |  |  |
| Cr | CrO43- | 深蓝 |  |  |
| Cr | CrO22+ |  |  |  |
| Cr | CrO42- | 黄 | Na2CrO4 | 酸性条件下转换为Cr2O72- |
| Cr | Cr2O72- | 橙 | Na2Cr2O7 | 碱性条件下转换为CrO42- |
| Cr | [CrO3Cl]− | 棕橙 | K[CrO3Cl] |  |
| Cr | [CrO3IO3]− |  |  |  |
| Cr | [CrO3SO4]2- |  |  |  |
| Cr | [CrO3SeO4]2- |  |  |  |
| Cr | [Cr(O2)2(CN)3]3- |  | K3[Cr(O2)2(CN)3] |  |
| Cr | [Cr(O2)2]3-  |  | (NH4)3[Cr(O2)2] |  |
| Cr | [Cr(O2)4]3- | 红褐色 | K3[Cr(O2)4] |  |
| Cr | [CrO(O2)2OH]− | 紫色 | K[CrO(O2)2OH] | 在酸性条件下转化为蓝色的[CrO(O2)2(OH2)] |
| Cr | [Cr2O2(O2)5]2- |  | (NH4)2[Cr2O2(O2)5] |  |
| Mo | [Mo(CO)5]2- |  |  |  |
| Mo | [Mo(CO)5Cl]− |  |  |  |
| Mo | [Mo(CO)5Br]− |  |  |  |
| Mo | [Mo(CO)5I]− |  |  |  |
| Mo | [Mo(CO)4Cl2]2- |  |  |  |
| Mo | [Mo(CO)4Br2]2- |  |  |  |
| Mo | [Mo(CO)4I2]2- |  |  |  |
| Mo | [Mo2(CO)10]2- |  |  |  |
| Mo | [Mo2(CO)10I]− |  |  |  |
| Mo | Mo24+ | 红 | Mo2(CH3COO)4 | （[Mo2(H2O)6]4+的简写） |
| Mo | Mo3+ | 黄 |  | （[Mo(H2O)6]3+的简写） |
| Mo | [Mo6Cl8]4+ |  |  |  |
| Mo | [Mo6Br8]4+ |  |  |  |
| Mo | [Mo6I8]4+ |  |  |  |
| Mo | [Mo(CN)6]4- |  | K4[Mo(CN)6] |  |
| Mo | [Mo(CN)5]2- | 深红 | K2[Mo(CN)5] |  |
| Mo | [Mo(CN)7H2O]4- |  |  |  |
| Mo | [Mo(CN)8]3- | 黄 | K3[Mo(CN)8] |  |
| Mo | [Mo(CN)8]4- |  |  | 2 [Mo(CN)8]4- + S2O82- → 2 SO42- + 2 [Mo(CN)8]3- |
| Mo | [MoO2(CN)4]4- | 蓝(aq) | K4[MoO2(CN)4] |  |
| Mo | [MoO(OH)(CN)4]3- | 蓝 | K3[MoO(OH)(CN)4] |  |
| Mo | [Mo(OH)2(CN)4]2- | 绿 | K2[Mo(OH)2(CN)4] |  |
| Mo | [MoIV2MoVI(CN)8O6]6- | 蓝 | K6[MoIV2MoVI(CN)8O6]·2H2O |  |
| Mo | [Mo2Cl8]4- | 红 |  |  |
| Mo | [Mo2(SO4)4]4- |  |  |  |
| Mo | [Mo2(SO4)4]3- |  |  |  |
| Mo | [Mo2(HPO4)4]2- |  |  |  |
| Mo | [MoF6]3- |  | K3[MoF6] |  |
| Mo | [MoCl6]3- |  | K3[MoCl6] |  |
| Mo | [MoCl5(H2O)]2- |  | K2[MoCl5(H2O)] |  |
| Mo | [Mo2Cl9]3- |  |  |  |
| Mo | [MoBr6]3- |  | K3[MoBr6] |  |
| Mo | [MoBr5(H2O)]2- |  | K2[MoBr5(H2O)] |  |
| Mo | [Mo(NCS)6]3- |  | K3[Mo(NCS)6] |  |
| Mo | [MoF3]+ |  | Mo2F9 |  |
| Mo | [MoF6]2- |  | Na2[MoF6] |  |
| Mo | [MoCl6]2- |  | K2[MoCl6] |  |
| Mo | [MoBr6]2- |  |  |  |
| Mo | [MoF6]− |  | KMoF6 |  |
| Mo | [MoF8]3- |  | K3[MoF8] |  |
| Mo | [MoOF5]2- |  | K2[MoOF5] |  |
| Mo | [MoCl6]− |  | (C2H5)4N[MoCl6] |  |
| Mo | [MoOCl5]2- | 翠绿 | K2[MoOCl5] |  |
| Mo | [MoOCl4]− | 翠绿 | Cs[MoOCl4] |  |
| Mo | [Cl4OMo(OH)2MoOCl4]4- | 黑 |  |  |
| Mo | [Cl4OMoOMoOCl4]4- | 红棕 |  |  |
| Mo | [MoOBr5]2- |  | K2[MoOBr5] |  |
| Mo | [MoOBr4]− |  | Li[MoOBr4] |  |
| Mo | [Mo2O4(C2O4)2(H2O)2]2- | 深红 | Ba[Mo2O4(C2O4)2]·5H2O |  |
| Mo | [MoO4F]3- |  |  |  |
| Mo | [MoO3F3]3- |  |  |  |
| Mo | [MoO3F2]2- |  |  |  |
| Mo | [MoO2F4]2- |  |  |  |
| Mo | [MoOF5]− |  |  |  |
| Mo | [MoO2Cl3]− |  | K[MoO2Cl3]·7H2O |  |
| Mo | [MoO2Cl4]2- |  | K2[MoO2Cl4]·2H2O |  |
| Mo | MoO22+ |  |  |  |
| Mo | MoO42- |  | Na2MoO4 |  |
| Mo | [Mo2O72-]n |  | K2Mo2O7 |  |
| Mo | Mo7O246- |  | (NH4)6Mo7O24·4H2O | 存在于pH<6的溶液 |
| Mo | Mo8O264- |  |  | 存在于pH 2-3的溶液中 |
| Mo | [Mo(O2)4]2- | 红 | K2[Mo(O2)4] | 易爆 |
| Mo | MoS42- |  | K2MoS4 |  |
| Mo | MoSe42- |  | (Et4N)2[MoSe4] |  |
| Mo | [Mo36O112(H2O)18]8- |  |  |  |
| Mo | [MoO3(C2O4)]2- |  |  |  |
| Mo | MoSe42- |  |  |  |
| Mo | [FeMo6O24]6- |  |  |  |
| Mo | [CoMo6O24H6]3- |  |  |  |
| Mo | [MnMo9O32]6- |  |  |  |
| Mo | [SiMo11O40]4- |  |  |  |
| Mo | [PMo12O40]3- |  |  | 溶液放置，逐渐聚合为[P2Mo18O62]6- |
| Mo | [AsMo12O40]3- |  |  | 溶液放置，逐渐聚合为[As2Mo18O62]6- |
| Mo | [SiMo12O40]4- |  |  |  |
| Mo | [CeMo12O42]8- |  |  |  |
| Mo | [ThMo12O42]8- |  |  |  |
| Mo | [P2Mo18O62]6- | 橙 |  |  |
| Mo | [As2Mo18O62]6- | 橙红 |  |  |
| W | [WF7]- |  | 钠盐和钾盐 |  |
| W | [WF8]2- |  | 钠盐和钾盐 |  |
| W | [WO4F]3- |  | 钠盐和钾盐 |  |
| W | [WO3F3]3- |  | 钠盐和钾盐 |  |
| W | [WO3F2]2- |  | 钠盐和钾盐 |  |
| W | [WO3F]− |  | 钠盐和钾盐 |  |
| W | [WO2F4]2- |  | 钠盐和钾盐 |  |
| W | [WO2F3]− |  | 钠盐和钾盐 |  |
| W | [WOF5]− |  | 钠盐和钾盐 |  |
| W | [WO3Cl]− |  | 钠盐和钾盐 |  |
| W | WO42- |  | Na2WO4 | 和H2S反应，氧逐渐被硫取代 |
| W | [W4O16]8- |  |  |  |
| W | [W6O19]2- |  |  |  |
| W | [W7O24]6- |  |  |  |
| W | [W10O32]4- |  |  |  |
| W | [H2W12O40]6- |  |  |  |
| W | [HW12O39]5- |  |  |  |
| W | WO3S2- |  |  |  |
| W | WO2S22- |  |  |  |
| W | WOS32- |  |  |  |
| W | WS42- |  |  |  |
| W | WSe42- |  | (NH4)2[WSe4] |  |
| W | W(O2)42- | 黄 | Na2[W(O2)4] |  |
| W | [WF6]− | 无 | Na[WF6] |  |
| W | [WCl6]− | 绿 | Na[WCl6] |  |
| W | [WBr6]− | 深绿或黑 | EtNH3[WBr6] |  |
| W | [WO2(C2O4)]− |  | K[WO2(C2O4)]·H2O |  |
| W | [W(CN)8]3- | 黄 | K3[W(CN)8]·H2O |  |
| W | [WCl6]2- | 红 | Cs2[WCl6] |  |
| W | [WBr6]2- | 绿 | Cs2[WBr6] |  |
| W | [W(CN)8]4- |  |  |  |
| W | [WO2(CN)4]4- | 黄棕 |  |  |
| W | [WO(OH)(CN)4]3- | 紫 |  |  |
| W | [W2Cl9]3- | 绿 | (NH4)3[W2Cl9] | [W2Cl9]3- + 3Tl+ → Tl3[W2Cl9]↓ [W2Cl9]3- + [Co(NH3)6]3+ → [Co(NH3)6][W2Cl9]↓ [W2Cl9]3- + [Cr(NH3)6]3+ → [Cr(NH3)6][W2Cl9]↓ [W2Cl9]3- + 3 [Ag(NH3)2]+ → [Ag(NH3)2]3[W2Cl9]↓ |
| W | [W(CN)6]3- |  | K3[W(CN)6] |  |
| W | [W6Cl8]4+ |  |  |  |
| W | [W(CN)6]4- |  | K4[W(CN)6] |  |
| W | [W4O8Cl8(H2O)4]2- |  |  |  |
| W | [W4O8(NCS)12]6- |  |  |  |
| W | [W2Cl9]2- |  |  |  |
| W | [W2F6O2]3- |  |  |  |
| W | [W3F9O4]5- |  |  |  |
| W | [W6Br8]6+ |  |  |  |
| W | [W2(CO)10]2- |  |  |  |
| W | [WMn(CO)10]− |  |  |  |
| W | [WCo(CO)9]− |  |  |  |
| W | [W2(CO)10Se4]2+ |  |  |  |
| W | [W(η6-C6H6)2]+ | 黄 | [W(C6H6)2]I |  |
| W | [PW12O40]3- |  | H3PW12O40·6H2O |  |
| W | [P2W21O71]6- |  |  |  |
| W | [PW11O39]7- |  |  |  |
| W | [AsW12O40]3- |  |  |  |
| W | [AsW11O39]7- |  |  |  |
| W | [As2W21O69(H2O)]6- |  |  |  |
| W | [As2W19O67]14- |  |  |  |
| W | [SiW12O40]4- |  |  |  |
| W | [GeW12O40]4- |  |  |  |
| W | [FeW12O40]5- |  |  |  |
| W | [CoW12O40]6- |  |  |  |
| W | [Ni(OH)6W6O18]4- |  |  |  |
| W | [TeW6O24]6- |  |  |  |
| W | [IW6O24]5- |  |  |  |
| W | [CeW10O36]8- |  |  |  |