Is Cs2S ionic or covalent?

Understand the Problem

The question is asking whether cesium sulfide (Cs2S) is an ionic or covalent compound. To address this, we need to consider the nature of the bond between cesium and sulfur based on their positions in the periodic table and their electronegativities.

Answer

ionic

The final answer is that Cs2S is an ionic compound.

Answer for screen readers

The final answer is that Cs2S is an ionic compound.

More Information

Cesium sulfide (Cs2S) forms an ionic bond between cesium ions (Cs+) and sulfide ions (S2-).

Tips

A common mistake is to confuse Cs2S (cesium sulfide), which is ionic, with CS2 (carbon disulfide), which is covalent.

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