1. Waid Academy Science Particles: Periodic Table

2. The periodic table lists… 1.Atoms 2.Elements 3.Mixtures 4.Compounds 10

3. Which element is used in breathing apparatus? 1.Oxygen 2.Nitrogen 3.Chlorine 4.Carbon 10

4. Where are the metals found in the periodic table? 1.Right side 2.Left side 10

5. What forms when two, or more, elements join together? 1.Element 2.Mixture 3.Liquid 4.Compound 10

6. How does the energy change when a compound forms? 1.Energy is taken in 2.Energy is given out 10

7. Complete this word equation: ______ + ______  Magnesium oxide 1.Magnesium + Oxygen + Iodide 2.Magnesium + Oxide 3.Magnesium + Oxygen 4.Manganese + Oxygen 10

8. Which energy types can be used to break compounds up? 1.Electrical or heat 2.Electrical or light 3.Heat or light 4.Heat or sound 10

9. Copper chloride can be broken up using electricity. What forms at the negative electrode? 1.Iodine 2.Chlorine 3.Oxygen 4.Copper 15

10. A black solid compound is heated. It gives off oxygen gas and the solid turns an orange-red colour. Which compound was heated? 1.Magnesium oxide 2.Copper oxide 3.Magnesium chloride 4.Copper chloride 20

11. Approximately how many compounds are there? 1.Only a few 2.Thousands 3.Hundreds 4.Millions 10