Across
- 2. A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
- 4. A type of reaction in which one compound breaks down into two or more simpler compounds or elements
- 6. An equation that uses chemical symbols to represent reactants and products in a chemical reaction
- 7. An atom or a group of atoms that has an electrical charge, either positive or negative
- 8. A change in matter that produces new substances with new properties
- 12. A type of chemical reaction in which one element takes the place of another element in a compound
- 15. Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)
- 17. Represents a chemical reaction using coefficients (numbers in front of the reactants and products) that tell you how much of the reactants are used and how much of the products are made
- 19. Reduced in concentration be being mixed with a liquid, such as water
Down
- 1. A type of chemical reaction in which the metal ions of two different compounds exchange places
- 3. A chemical reaction in which two or more reactants combine to produce a new product
- 5. A substance that changes colour when added to an acid or a base
- 9. During a chemical reaction. The total mass and number of atoms of the reactants equal to total mass and number of atoms of the products
- 10. A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
- 11. Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction
- 13. A scale from 0 to 14 that describes how acidic or basic a substance is
- 14. New substances produced in a chemical reaction
- 15. A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
- 16. Substances that react together in a chemical reaction
- 18. A group of letters and subscript numbers that represent the make-up of a chemical compound