The name of the compound BeSO4 is beryllium sulfate
Tetranitrogen tetraselenide is the name of the compound.
The name of the compound Cl2O3 is dichlorine trioxide.
Tetranitrogen hexahydride
The compound name for P2O3 is diphosphorus trioxide.
The compound name of N2O6 is dinitrogen hexoxide.
You can distinguish between BeSO4 and BaSO4 based on their solubility in water. BeSO4 is soluble in water, while BaSO4 is insoluble. Additionally, you can use a flame test to detect the presence of barium in BaSO4, as barium produces a green flame when heated.
Covalent bonding
I can't find any reference to Beryllium Sulphide - Beryllium sulfate is BeSO4
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 compound name for MnBr2 is manganese(II) bromide and the compound name for NaPO4 is sodium phosphate.
The name of the compound Cl2O3 is dichlorine trioxide.
The name of the compound H2C2O4 is oxalic acid.
The compound name of Mg3As2 is magnesium arsenide.
The compound name for S2F10 is disulfur decafluoride.