Chemistry 402: Organization of the Periodic Table
Season 1 Episode 402 | 27m 33s
Organization of the Periodic Table: Periods and families in the periodic table are described. Students learn to determine the number of energy levels and valence electrons in an atom of an element from its placement on the table. They also learn to determine if an element is a metal, nonmetal, or metalloid and if an element is a solid, liquid, or gas at room temperature.