Question

3 what makes a change a chemical change instead of a physical one? a the substance changes between solid, liquid, and gas b the atoms rearrange to form a new substance c the size or shape of the substance changes d the composition of the substance stays the same

Explanation:

A chemical change involves the rearrangement of atoms to form new substances. Option A (changes between states of matter) and Option C (size/shape change) are physical changes. Option D (composition remains same) also indicates a physical change. Only Option B (atoms rearrange to form new substance) is characteristic of a chemical change.

Answer:

B. The atoms rearrange to form a new substance