Why does a basic character decrease down a group?

Related questions

1. What is manganese Valency?
2. Is MnO2 acidic or basic?
3. Is cr2o3 acidic or basic?
4. What are dry cell batteries used for?
5. How does oxidation state affect acidity?
6. Why d block elements have variable oxidation states?
7. Why bao2 is a peroxide but MnO2 is not?
8. Why acidic character increases with increase in oxidation state?
9. Which is more acidic MnO or MnO2?
10. Why do transition elements show variable oxidation state?

Tags

1. #affinity
2. #basic
3. #energy
4. #decreases
5. #atomic
6. #ionisation
7. #decrease
8. #metallic
9. #increase
10. #increases
11. #metals
12. #going
13. #hydroxides
14. #nature
15. #implies
16. #character
17. #means
18. #oxides
19. #which
20. #tendence
21. #radius
22. #losing
23. #electron