Chemical Reactions

6. A group of atoms chemically joined together
7. The compound formed when iron reacts with oxygen
8. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
11. Particles that make up matter
12. The term given to the corrosion of iron
14. A type of reaction that continually requires energy to be added to it
15. Atoms in substances are held together by chemical bonds that store ___________
16. The name given to the process which causes atoms in reactants to rearrange into new products
18. The ________ properties of a metal determines how likely it is to corrode
19. During a chemical reaction, atoms are never created or ___________
20. The substances at the end of a chemical reaction

1. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
2. A method of preventing corrosion, where the metal is coated with zinc metal
3. HCl
4. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
5. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
9. A type of reaction that proceeds naturally, without energy being continuously added to it
10. Burning methane with oxygen will produce _________ __________ and water
13. Chemical reactions where a metal reacts with oxygen to form a metal oxide
17. The substances at the beginning of a chemical reaction