Chemistry Vocabulary

5. A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
6. A group of letters and subscript numbers that represent the make-up of a chemical compound
10. A change in matter that produces new substances with new properties
11. A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
13. A type of chemical reaction in which the metal ions of two different compounds exchange places
16. An equation that uses chemical symbols to represent reactants and products in a chemical reaction
17. Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)
19. A substance that changes colour when added to an acid or a base
20. A type of reaction in which one compound breaks down into two or more simpler compounds or elements

1. A type of chemical reaction in which one element takes the place of another element in a compound
2. 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
3. Substances that react together in a chemical reaction
4. New substances produced in a chemical reaction
7. A chemical reaction in which two or more reactants combine to produce a new product
8. An atom or a group of atoms that has an electrical charge, either positive or negative
9. A scale from 0 to 14 that describes how acidic or basic a substance is
12. Reduced in concentration be being mixed with a liquid, such as water
14. of mass 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
15. A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
18. Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction