sodium arsenide is Na3As
lithium arsenide
Copper (III) doesn't exist; copper(II) arsenide is Cu3As2.
The chemical formula for cuprous arsenide is Cu3As.
Iron (III) Arsenide
The chemical formula for the compound Strontium arsenide is SR3AS2.
The chemical formula for sodium arsenide is Na3As.
There is, to my best knowledge, NO other, more common name for sodium arsenide than sodium arsenide. So that's it.
Sodium Arsenide
sodium chloride, hydrochloric acid, nitric acid, lithium chloride, gallium arsenide, titanium dioxide
The symbol is As
Copper arsenide = Cu3As
FeAs2 is the most common arsenide (míneral lollingite) it is not ionic. There are arsenide phases FeAs and Fe3As2 corresponding to iron(III) arsenide and iron (II) arsenide, again the bonding is not ionic.
lithium arsenide
Copper (III) doesn't exist; copper(II) arsenide is Cu3As2.
sodium chloride, hydrochloric acid, nitric acid, lithium chloride, gallium arsenide, titanium dioxide
The chemical formula for cuprous arsenide is Cu3As.
The molecular formula for copper(I) arsenide is Cu3As.