Across
- 2. The mathematical representation of a chemical reaction.
- 5. What begins a chemical reaction.
- 6. It is the arrow in a chemical equation. It always points towards the products.
- 8. Matter can neither be created nor destroyed in ordinary chemical reactions.
- 9. During a reaction it is an area where there is an exchange of energy but not the exchange of matter, to the surroundings.
- 11. What you get after a chemical reaction occurs.
Down
- 1. Represents the total number of molecules of a chemical in the reaction.
- 3. A word that is synonymous with molecule and compound.
- 4. The symbol from the periodic table that is used to represent an element.
- 7. During a reaction it is the area where there is an exchange of energy and matter, to the surroundings.
- 10. The tiny numbers next to chemical symbols. They represent how many atoms there are of that molecule.