Products: N series
| Compound | Formula |
| Neodymium Compounds (see Rare Earth compounds) |
|
| Nickel (II) antmonide | Ni3Sb2 |
| Nickel (III) arsenide | NiAs |
| Nickel (II) bromide | NiBr2 |
| Nickel (II) bromide, trihydrate | NiBr2·3H2O |
| Nickel (II) bromide, hexahydrate | NiBr2·6H2O |
| Nickel (II) chloride | NiCl2 |
| Nickel (II) hydroxide | Ni(OH)2 |
| Nickel (II) iodide | NiI2 |
| Nickel (II) iron (III) oxide | NiFe2O4 |
| Nickel (II) orthomolybdate | NiMoO4 |
| Nickel (II) nitrate, hexahydrate | Ni(NO3)2·6H2O |
| Nickel (II) oxalate, dihydrate | NiC2O4·2H2O |
| Nickel (II) oxide | NiO |
| Nickel (II) orthophosphate | Ni3(PO4)2 |
| Nickel (II) hypophophite, hexahydrate | Ni(H2PO)2·6H2O |
| Nickel (II) selenide | NiSe |
| Nickel (II) orthosilicate | Ni2SiO4 |
| Nickel sulfide | NiS2 |
| Nickel (II) sulfide | NiS |
| Nickel (II) metatitanate | NiTiO3 |
| Nickel (II) orthotungstate | NiWO4 |
| Nickel (II) metavanadate | Ni(VO3)2 |
| Niobium (V) bromide | NbBr5 |
| Niobium (III) chloride | NbCl3 |
| Niobium (V) chloride | NbCl5 |
| Niobium (V) iodide | NbI5 |
| Niobium (III) oxide | Nb2O3 |
