Correct Answer:
C. Mercury
Correct answer: Mercury. Mercury is the only metal that is liquid at normal room temperature.
Background: Mercury freezes at about −39 °C.
- Gold: Gold is a solid at room temperature.
- Lead: Lead is a solid at room temperature.
- Tin: Tin is a solid at room temperature.
Did you know? It is used in some thermometers.
Memory trick: Mercury = liquid metal.