It's sodium sulfide.
The name for the compound with the formula Na2S is sodium sulfide.
Sodium sulfide or Disodium sulfide. Both are correct terms for that formula.
This compound is sodium sulfide.
Na2s
The hydrate of Na2S is Na2S.9H2O. Its name is sodium sulfide nonahydrate.
Sodium sulfide is the name used to refer to the chemical compound Na2S, but more commonly it refers to the hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions. When exposed to moist air, Na2S and its hydrates emit hydrogen sulfide, which smells much like rotten eggs or flatus.
sodium and sulfide
Na2S does not contain carbon or hydrogen. Na2S is formed by sodium ions and sulfide ions. So Na2S is not a organic compound.
Na2S : Sodium sulfide
It is an ionic compound, so its name is sodium sulfide. Greek prefixes are not used when naming an ionic compound.
Sodium sulfide
i think it it covalent