Conductivity of Gases Phase Changes in Matter Chemical Properties of Gases Physical Properties of Elements
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: During a lecture, a professor was talking about the potential that hydrogen has for exploding under certain conditions. Which was most likely the topic of the professor's lecture?
Possibilities:
- Conductivity of Gases
- Phase Changes in Matter
- Chemical Properties of Gases
- Physical Properties of Elements

Chemical Properties of Gases