You have the formula and symbols wrong but it is probably nickel acetate.
magnisum oxide
This is not a true compound but is mixture of Ammonium fluoride and Hydrogen fluoride , NH4F . HF
The correct name is mercury(II) sulfide.
Iron (II) oxide.
GeH4 is called germane, germanium hydride, geranium tetrahydride, or monogermane.
The name of this compound is iodine heptafluoride.
The compound name for 7H2O is heptahydrate.
The compound name for SiI4 is tetrasilane.
Tetranitrogen tetraselenide is the name of the compound.
The name of the compound Cl2O3 is dichlorine trioxide.
The compound name for MnBr2 is manganese(II) bromide and the compound name for NaPO4 is sodium phosphate.
The name of the compound H2C2O4 is oxalic acid.
The compound name of Al2O3 is aluminum oxide.
The compound name for C2H4Br2 is 1,2-dibromoethane.
The compound name for ASO3 is arsenic trioxide.
The compound name of K4C is potassium carbide.
The compound name for SiI4 is silicon tetraiodide.