8A3 CHEMISTRY- 9/5/12

1. What is an element? Give an example

2. What is a compound? Give an example

3. What is a mixture? Give an example

4. Give 3 properties of metal elements?

5. Give 3 properties of non-metal elements?

6. It is important to get chemical symbols correct! CO is the symbol for Carbon Monoxide and Co is the symbol for Cobalt!  What is the correct chemical symbol for magnesium?

 Mg        MG        mG         mg

7. What is the chemical symbol for oxygen?

8. Magnesium and oxygen are the two reactants for the combustion of magnesium. Write down the word equation for this chemical reaction including the reactants and final products.

9. Do you think the mass of magnesium oxide is lighter, the same or heavier after the magnesium is burned? Explain your answer?

10. What does the periodic table represent? Is it a table of elements, compounds or both?

When you have finished the quiz:

Try ACTIVITY for ATOMS AND ELEMENTS and COMPOUNDS AND MIXTURES found at:

http://www.bbc.co.uk/schools/ks3bitesize/science/chemical_material_behaviour/