Why does electronegativity increase from bottom to top?

Related questions

1. How does electron configuration affect electronegativity?
2. Does electronegativity have a unit?
3. Which of the period three elements has the largest electronegativity?
4. Why does electronegativity increase across a period?
5. Why does fluorine have the highest electronegativity?
6. What kind of elements has low electronegativity?
7. Which is more electronegative O or N?
8. Why chlorine is more electronegative than fluorine?
9. What does it mean to have a higher electronegativity?
10. Why fluorine is more electronegative than chlorine?

Tags

1. #atomic
2. #increases
3. #bottom
4. #there
5. #greater
6. #nucleus
7. #between
8. #electrons
9. #because
10. #decreases
11. #number
12. #electronegativity
13. #valence
14. #radius
15. #group
16. #distance
17. #increased