CsCl CsCl_{2} CsO CsO_{2}
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The element cesium, Cs, is an alkali metal. Which chemical formula represents a cesium compound that is likely to exist?
Possibilities:
- CsCl
- CsCl_{2}
- CsO
- CsO_{2}

CsCl