Sorry I really don’t know I was trying to help and get points it might be D
Answer: Hope This Helps!
Explanation:
Physics is the scientific study of matter and energy and how they interact with each other. This energy can take the form of motion, light, electricity, radiation, gravity — just about anything, honestly.
its volume this is the answer because the mercury will turn into gas. gas has more volume because it takes up more space as it spreads.
7 valance electrons and a atomic number of 9