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

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

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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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This note was uploaded on 04/20/2008 for the course CHE 105 taught by Professor Woodrum during the Fall '06 term at Kentucky.

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