Bob Jones PPT Notes -- Chapter 5c
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Elemental & Families Properties Their 1 Hydrogen: A Family of Its Own Why is it by itself? Can lose or gain one electron Discovered by Cavendish Physical properties (PP) Chemical properties (CP) Uses Hydrogen: A Family of Its Own Physical properties (PP) colorless, odorless, tasteless gas Chemical properties (CP) active, like a Group 1A metal or a Group 7A nonmetal diatomic can react with metals to form metallic hydrides Hydrogen: A Family of Its Own Uses ammonia fuel cells ?rocket? fuel Hydrogen: A Family of Its Own Supposed to have initially formed H & He Big Bang 6 Group 1: The Alkali Metal Family Physical properties light, soft, shiny, conduct electricity well 7 Chemical properties most reactive metals eager to lose lone outer e? never occur naturally
