1. What is the chemical symbol for iron?
2. Complete this activity, and write down the 2 things that happen when you bond oxygen to water.
3. What happens if you place solid Magnesium in a Copper solution?
4. Who was Dmitri Mendeleev? What did he create? Find one other scientist on this website and briefly explain what they achieved. 
5. How many groups are there in the periodic table?
6. Give one  reactive metal and one non-reactive one:
7. What are the reactants and products in a reaction?
8. Explain the difference between an element and a molecule . 
9. What do the lines between the atoms in this molecular model represent? How many different elements can you see here?                                                                               

Try these once you're finished:

http://www.sheppardsoftware.com/periodictable_0_click_common.html , http://www.sciencekids.co.nz/gamesactivities.html , http://www.learn4good.com/games/educational-learning-activities/chemistrygame.htm