Final answer:
A substance that undergoes a chemical change becomes a fundamentally different substance with new properties; therefore, the statement is false.
Step-by-step explanation:
A substance that undergoes a chemical change is not the same substance after the change. This statement is false. In a chemical change, the atoms are rearranged to form new substances with different properties. An example of a chemical change is when hydrogen and oxygen react to form water, H2O, which has different properties than the separate hydrogen and oxygen gases. After a chemical change, the substance has a different chemical composition and is fundamentally different from the starting materials. This is in contrast to a physical change, where the molecular structure of a substance does not change and the change is often easily reversible. Chemical reactions, represented using chemical equations, must balance because the number of atoms is conserved, but the atoms are rearranged into different substances