Periodic Trends

1. Elements that have high Ionization Energy and high Electron Affinity tend to _____ electrons
4. The smallest atom in Period 3
10. The largest atom in Period 4
11. The idea that main group elements tend to undergo reactions that leave them with eight outer-shell electrons is the ______ Rule.
12. Which of the following ionic compounds has higher lattice energy: LiF or NaCl?
13. The element with the highest electronegativity
17. Electronegativity ______ from left to right across the period
19. Measure of the electrostatic interaction energies between ions in a solid is called _____ energy
20. Which of the following has a larger ionic radius: Na+ or Mg2+?

2. What noble gas configuration will Phosphorous likely adopt?
3. Atomic radius _______ from left to right across the period
5. _______ have low Ionization Energy and low Electron affinity
6. In which periodic trend graph are the Noble Gases the peaks?
7. Which group most want to gain an electron?
8. Which of the Period 3 elements has the highest Ei4?
9. Energy released when a neutral atom gains an electron is electron _____
11. Period 3 element that has slightly lower ionization energy than expected
14. Period 3 element that has slightly higher first ionization energy
15. Group of elements that are the troughs in an Ionization Energy vs Atomic number graph
16. Which of the following has a smaller atomic radius: Te or I?
18. Which of the two will have a larger first ionization energy:Ga or Se?