Periodic Trends

2. The idea that main group elements tend to undergo reactions that leave them with eight outer-shell electrons is the ______ Rule.
5. Period 3 element that has slightly higher first ionization energy
6. The smallest atom in Period 3
7. Atomic radius _______ from left to right across the period
10. Elements that have high Ionization Energy and high Electron Affinity tend to _____ electrons
11. In which periodic trend graph are the Noble Gases the peaks?
14. Measure of the electrostatic interaction energies between ions in a solid is called _____ energy
15. Which of the following has a larger ionic radius: Na+ or Mg2+?
16. Which of the following ionic compounds has higher lattice energy: LiF or NaCl?
17. Which group most want to gain an electron?
20. Which of the following has a smaller atomic radius: Te or I?

1. The element with the highest electronegativity
2. Period 3 element that has slightly lower ionization energy than expected
3. Electronegativity ______ from left to right across the period
4. The largest atom in Period 4
8. Which of the two will have a larger first ionization energy:Ga or Se?
9. Energy released when a neutral atom gains an electron is electron _____
12. _______ have low Ionization Energy and low Electron affinity
13. Which of the Period 3 elements has the highest Ei4?
18. Group of elements that are the troughs in an Ionization Energy vs Atomic number graph
19. What noble gas configuration will Phosphorous likely adopt?