1. Periodic Properties of the Elements © 2009, Prentice-Hall, Inc. Chapter 7 Periodic Properties of the Elements

2. Periodic Properties of the Elements Periodic Trends – Warmup Chem 1. Compare the following elements in terms of: - atomic radius - ionization energy - electronegativity Explain your reasoning. a) K and Li b) Al and Ar c) F and Ba

3. Periodic Properties of the Elements Periodic Trends – Warmup Chem 1. Compare the following elements in terms of: - atomic radius - ionization energy - electronegativity Explain your reasoning. a) K and Li b) Al and Ar c) F and Ba

4. Periodic Properties of the Elements Periodic Trends – Warmup Chem 2. Ca 2+ and K + each have 18 electrons around the nucleus. Which has a smaller radius and why?

5. Periodic Properties of the Elements Periodic Trends – Warmup (Honors) 1. List in order of increasing atomic radius: Be, C, Li +, Ne, B 3+, F - 2. List in order of decreasing ionization energy: Cs, Na, Ca, H +, K +, Fr