Across
- 3. a combination of chemical formulas and symbols that models a chemical reaction.
- 8. a chemical reaction in which a single reactant breaks down into two or more products
- 12. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 10
- 13. a substance that enters into a chemical reaction
- 14. a loss of electrons in a chemical reaction
Down
- 1. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction
- 2. A chemical reaction in which two compounds swap cations or anions with each other; also known as double displacement reaction
- 4. a gain of electrons in a chemical reaction
- 5. a chemical reaction in which two or more reactants combine into a single, more complex product
- 6. a substance that is formed during a chemical reaction
- 7. the mass of one mole in a substance
- 9. a process that changes a substance into one or more different substances.
- 10. an exothermic chemical reaction in which a fuel reacts with oxygen
- 11. a number placed in front of a chemical formula within a chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation