Questions: 1. Using the periodic table, identify the elements in the table below as alkali metal, alkaline earth metal, nobl halogen, transition metal. Iodine Barium Potassium Argon Iron 2. For each halogen in the table below, fill in the column on the right with the physical state of the h (solid, liquid or gas) Halogen in period-2 Halogen in period-3 Halogen in period-4 Halogen in period-5