Chemistry Notes - September 1, 2006 (2.3-2.4)

Chemistry Notes - September 1, 2006 (2.3-2.4) - Nonmetal...

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September 1, 2006 Chemistry Notes Sections 2.3-2.4 Section 2.4 Periodic table – a chart in which elements having similar chemical and physical properties are grouped together. Horizontal rows – periods Vertical columns – groups/ families Divided into three categories: metals, nonmentals, and metalloids Metal – good conductor of heat and electricity
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Unformatted text preview: Nonmetal poor conductor of heat and electricity Metalloid properties that are intermediate between those of metals and nonmetals. Group 1A alkali metals Group 2A alkaline earth metals Group 7A halogens Group 8A noble gases...
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