CHEMISTRY II Worksheet for Chapter 7 COMPLEX FORMATION 1. What does a metal complex consist of? Give an example. 2. Explain what a ligand is and give two examples. 3. What does it mean when we say EDTA is hexadentate? 4. What is meant by the coordination number of a metal complex? 5. What is a chelate? 6. In the following metal complex……… What is the metal ion? coordination number? ligand? 7. What three factors influence the strength of a metal complex? 8. Give one example of an important metal complex