Across
- 2. a reaction in which a compound breaks down into two or more simpler substances.
- 6. an arrow that is placed after the reactant or reactants.
- 7. reaction a chemical reaction in which one element replaces another in a compound.
- 8. a character, usually a letter or number, that's printed slightly below and to the side of another character.
- 9. a substance that enters into and is altered in the course of a chemical reaction.
- 11. reaction occur when parts of two ionic compounds are exchanged, making two new compounds.
- 12. a constant term related to the properties of a product.
- 13. identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.
Down
- 1. states that in a chemical reaction mass is neither created nor destroyed.
- 3. reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
- 4. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
- 5. a substance that is present at the end of a chemical reaction.
- 10. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.