Across
- 5. equation- A combination of chemical formulas and symbols that models a chemical reaction.
- 7. SI fundamental unit for the quantity of matter in a substance.
- 8. A gain of electrons in a chemical reaction.
- 11. A substance that is formed during a chemical reaction.
- 14. A substance that enters into a chemical reaction.
Down
- 1. 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.
- 2. Reaction- A chemical rection in which two or more reactants combine into a single, or more complex product.
- 3. replacement reaction- A chemical reaction in with two compounds swap cation or anions with each other.
- 4. A loss of electrons in a chemical reaction.
- 6. mass- The mass of one mole of a substance.
- 9. Reaction- A chemical reaction in which a single reactant breaks down into two or more products.
- 10. An exothermic chemical reaction in which a fuel reacts with oxygen.
- 12. replacement reaction- A chemical reaction in which one element in a compound is replaced by another element.
- 13. Reaction- A process that rearranges the atoms in one or more substances into one or more new substances.