Molecular motion is a measure of the movement of the molecules in a substance. Molecular motion is substantially different between the different states of matter. For example, the molecules in _______ move more than the molecules in _______.

Question

Molecular motion is a measure of the movement of the molecules in a substance. Molecular motion is substantially different between the different states of matter. For example, the molecules in _______ move more than the molecules in _______.
 A. 
wood, air
 B. 
air, wood
 C. 
soda, air
 D. 
wood, soda

GPT-4o mini · Answer

The correct choice is **B. air, wood**. In general, molecules in gases (like air) move more freely and rapidly compared to molecules in solids (like wood), which are more tightly packed and have less motion.