Why do transition metals have varying oxidation states?

Related questions

1. What is the formula for Lead II nitride?
2. Why is manganese dioxide a good catalyst?
3. What type of substance is MnO2?
4. Is manganese dioxide harmful?
5. What is the function of MnO2 in dry cell?
6. Is feco3 soluble in water?
7. Why is zinc used in dry cells?
8. What type of catalyst is manganese dioxide?
9. What is ammonium chloride used for?
10. Why is PbI4 unstable?

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1. #electrons
2. #their
3. #energy
4. #states
5. #would
6. #other
7. #metals
8. #state
9. #shows
10. #attach
11. #oxidation
12. #multiple
13. #atoms
14. #levels
15. #because
16. #transition
17. #change