Across
- 2. A real-world example of a chemical reaction given in the text.
- 6. The substances present before a chemical reaction.
- 7. A chemical equation must be this to follow the law of conservation of mass.
- 9. The small numbers that tell how many atoms are in a molecule.
- 11. The element that must be balanced in the equation for water.
- 12. This liquid was mixed with baking soda in the example reaction.
Down
- 1. The element represented by "H" in H₂O.
- 3. The product formed when hydrogen reacts with oxygen.
- 4. The substances formed after a chemical reaction.
- 5. The law of conservation states this cannot be created or destroyed.
- 8. The big numbers placed in front of molecules to balance equations.
- 10. The appliance mentioned that provides heat for reactions.