Chemical X is an element. Chemical X is soluble in water. Substances Y and Z are elements. Substances Y and Z are compounds.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: When Chemical X is added to a certain liquid, the chemical breaks into Substances Y and Z. It is not possible to break Substances Y and Z into simpler particles. Which statement is best supported by this evidence?
Possibilities:
- Chemical X is an element.
- Chemical X is soluble in water.
- Substances Y and Z are elements.
- Substances Y and Z are compounds.

Substances Y and Z are elements.