Use the Periodic table below to answer the following questions:
Element 17 (Cl) and 9 (F) ________.
◦ are chemically relatively inert because they adjacent to the inert gases on the periodic table
◦ behave as metals because they lie on the right side of the periodic table
◦ are chemically very different because they lie directly below each other on the periodic table
◦ are chemically similar because they lie directly below each other on the periodic table