Periodic Trends

1. Which of the following has a larger ionic radius: Na+ or Mg2+?
4. Elements that have high Ionization Energy and high Electron Affinity tend to _____ electrons
7. Which group most want to gain an electron?
8. _______ have low Ionization Energy and low Electron affinity
10. The largest atom in Period 4
11. What noble gas configuration will Phosphorous likely adopt?
13. Group of elements that are the troughs in an Ionization Energy vs Atomic number graph
15. The element with the highest electronegativity
16. Electronegativity ______ from left to right across the period
17. Atomic radius _______ from left to right across the period
20. Which of the following has a smaller atomic radius: Te or I?
21. The idea that main group elements tend to undergo reactions that leave them with eight outer-shell electrons is the ______ Rule.

2. Period 3 element that has slightly lower ionization energy than expected
3. Period 3 element that has slightly higher first ionization energy
5. In which periodic trend graph are the Noble Gases the peaks?
6. Which of the Period 3 elements has the highest Ei4?
9. The smallest atom in Period 3
12. Which of the two will have a larger first ionization energy:Ga or Se?
14. Measure of the electrostatic interaction energies between ions in a solid is called _____ energy
18. Energy released when a neutral atom gains an electron is electron _____
19. Which of the following ionic compounds has higher lattice energy: LiF or NaCl?