Unit 4 Vocabulary

2. A carbon-hydrogen compound reacts with oxygen to form water and carbon dioxide
6. A scale where the higher the number, the stronger the base, and the lower the number, the stronger the acid
10. Atoms of one element replace the atoms of another element in a compound
11. A substance that when dissolved in water, increases the amount of H+ ions, any substance that can donate a proton
12. A formula which has been reduced to the lowest terms
13. The starting substances usually to the left of the arrow
14. A substance that when dissolved in water, increases the amount of OH− ions, any substance that can accept a proton
16. The ratio between the mass and amount of substance (measured in moles) of any sample
17. The product of a reaction between an acid and a base
18. The substances formed during the reaction, usually to the right of the arrow
19. States that all matter is neither created nor destroyed in a chemical reaction. All chemical reactions obey this law

1. Two or more compounds change ions and form different compounds
3. A single compound breaks down into two or more substances
4. Tells the amount of a certain component within an item
5. The actual formula of a compound
7. The number written in front of each reactant of product
8. A single product is formed from two or more simpler substances
9. A reaction between an acid and a base that forms water and salt, the number of H+ and OH− ions are equal
15. The small numbers directly to the right of the element symbol