Chemistry Vocabulary

2. A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
3. Substances that react together in a chemical reaction
5. A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
6. A scale from 0 to 14 that describes how acidic or basic a substance is
8. A type of chemical reaction in which the metal ions of two different compounds exchange places
15. An atom or a group of atoms that has an electrical charge, either positive or negative
16. A chemical reaction in which two or more reactants combine to produce a new product
17. New substances produced in a chemical reaction
18. A group of letters and subscript numbers that represent the make-up of a chemical compound
19. Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction
20. A change in matter that produces new substances with new properties

1. A type of chemical reaction in which one element takes the place of another element in a compound
4. A substance that changes colour when added to an acid or a base
7. A type of reaction in which one compound breaks down into two or more simpler compounds or elements
9. 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
10. 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
11. An equation that uses chemical symbols to represent reactants and products in a chemical reaction
12. A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
13. Reduced in concentration be being mixed with a liquid, such as water
14. Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)