Periodic Trends Worksheet Answers Worksheet: Periodic Trends 1. ATOMIC RADIUS For each of the following sets of atoms, rank the atoms from smallest to largest atomic radius. a. Li, C, F b. Li, Na, K d. C, N, Al e. Al, Cl, Ga Cli IONIC RADIUS For each of the following sets of ions, rank them from smallest to largest ionic radius. a. Mg , Si b.Mg , ca , Ba c. F, cr, Br d. Ba , cu