What happens to atoms after a chemical change

Question

1. They remain in the same place.
2. They become bigger.
3. They link up in different ways.
4. They dissolve to form a mixture.

Answer 1

After a chemical change, the correct statement is:

3. They link up in different ways.

During a chemical change, the atoms rearrange themselves to form new substances. The total number of atoms remains the same, but their arrangements and bonds change, resulting in new compounds or molecules.