Chemistry Homework!!

12/10/01, 12/11/01

Read Section 6-2, 6-3 and answer the following questions:

Answer the questions below:

1) Why are transition metals important in living organisms?

2) What is different about Chromium and how many different compounds of chromium are there? What is chromium used for?

3) What is the Iron Age? Is iron cost efficient, explain. How abundant is iron? What is a disadvantage of iron? What is the use of iron in the body?

4) What are the coinage metals? Tell me the role of all three and what each one of them is.

6-3….

1) What is the difference between the 4f and 5f series. What else are they called? Are these elements in the correct order?

2) Describe the Lanthanides.

3) Describe the Actinides.

4) Explain fool’s gold! (extra credit for finding a piece and bringing it in)