Why does the metallic character increase as you go down a group?

Related questions

1. Why does atomic radius increase down a group?
2. What are the demerits of Mendeleev's periodic table?
3. Why does melting and boiling point increase down Group 7?
4. What is the trend in melting points across a period of elements?
5. Why does atomic radius decrease across a period and increase down a group?
6. What are the basis of Mendeleev periodic table?
7. What do the numbers on the periodic table mean?
8. What is the trend of shielding effect?
9. Why does boiling point increase down Group 15?
10. What are the periodic trends in electronegativity?

Tags

1. #between
2. #character
3. #group
4. #periodic
5. #nucleus
6. #distance
7. #because
8. #element
9. #electrons
10. #increased
11. #become
12. #attraction
13. #table
14. #metallic
15. #atomic
16. #easier
17. #increases
18. #radius
19. #valence
20. #where
21. #there