Chemistry Review

3. the smallest amount of an individual element you can have
7. this property of a substance tells us whether it is a solid or liquid at room temperature
8. during this type of change, the size and shape of something is changed
11. these are subatomic particles found in the nucleus that have NO electrical charge
12. the smallest amount of a compound is one
14. during this type of change a completely new substance is formed
15. the substances that go into a chemical reaction on the left side of a chemical equation
16. this number tells us the number of protons plus the number of neutrons
17. this property of a substance tells us whether it is a liquid or a gas at room temperature
21. elements in the same group/family have similar chemical and physical
22. a tool you can use to separate Iron from other substances

1. these are subatomic particles found outside the nucleus of an atom and has a negative charge
2. what is produced in a chemical reaction and found on the right side of a chemical reaction
4. Salt water is this type of mixture because it looks the same throughout
5. pure individual substances which is the ingredients to everything in the universe
6. this is the universal solvent because it is the base of almost every liquid solution
9. salad is this type of mixture because you can see the individual parts
10. these types of substances are good conductors of heat and electricity
13. two or more different elements chemically combined
16. a mixture of metals melted into each other
18. in group eight we have a collection of very unreactive gases like Neon which we call the
19. these are subatomic particles found inside the nucleus of an atom and have a positive charge
20. this number on the P.T.O.E tells us the number of protons and electrons in an atom