The last member in each period of the periodic table is (a) An inert gas element (b) A transition element (c) A halogen (d) An alkali metal
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The last member in each period of the periodic table is (a) An inert gas element (b) A transition element (c) A halogen (d) An alkali metal The last member in each period of the periodic table is (a) An inert gas element (b) A transition element (c) A halogen (d) An alkali metal November [...]