Respuesta :

Answer is: cesium sulfide.
Formula for ionic compound is: Cs₂S.
Ionic compound electrically neutral, cesium has charge +1 (2· (+1) = +2) and sulfur has charge -2.
Cesium sulfide is whide powder, soluble in water, pyrophoric in dry air, reductant.

Answer:

cesium sulfide

Explanation:

on edge