2. Atomic Radii Bohr Model Configuration Ionization Electronegativity 50 40 30 20 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50

3. Define electron affinity? Electronegativity-10 Points

4. What is the periodic trend for electronegativity? Electronegativity–20 Points

5. Which element in the pair has a higher electronegativity value? Cl and F Electronegativity– 30 Points

6. What causes the trend in electronegativity as you move across a period? Category 1 – 40 Points

7. Explain the difference between electron affinity and electronegativity. Electronegativity-50 points

8. What is ionization energy? Ionization– 10 Points

9. What is the relationship between a cation and an anion? Ionization– 20 Points

10. What is the periodic trend for ionization energy? Ionization– 30 Points

11. What atom in the pair has the greater ionization energy? Magnesium and Sulfur Ionization– 40 Points

12. Which particle has the larger atomic radius in the atom/ion pair? Na or Na+ Ionization 2 – 50 Points

13. Which group # is the halogens? Category 3 – 10 Points

14. Which elements have are soft, silvery in appearance and react vigorously with non-metals? Category 3 – 20 Points

15. What are actinides and Lanthanides? How did they come to be? Configuration– 30 Points

16. Which elements are good conductors of electricity, less reactive and have a high luster? Configuration– 40 Points

17. Explain why groups 1 and 7 are so reactive? Configuration– 50 Points

18. What are orbits? Bohr Model– 10 Points

19. Describe the process of emission. Bohr Model– 20 Points

20. Explain the difference between ground state and excited state. Bohr Model–– 30 Points

21. Describe Bohrs model of the Hydrogen atom. Bohr Model–– 40 Points

22. What was the major shortcoming of Rutherford’s model that Bohr was able to determine? Bohr Model–– 50 Points

23. What is the atomic radius? Atomic Radii–– 10 Points

24. What is the periodic trend for atomic size from top to bottom in a group and from left to right in a period? Atomic Radii–– 20 Points

25. Which atom in the pair has the largest atomic radius? Calcium or Nickel Atomic Radii–– 30 Points

26. Why do atoms get larger as you move down a period? Atomic Radii–– 40 Points

27. Why do atoms get smaller as you move left to right in a period? Atomic Radii–– 50 Points