Metals - Metals, Nonmetals and Metalloids Characteristic...

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Metals, Nonmetals and Metalloids Characteristic properties of metallic and non-metallic elements: Metallic Elements Nonmetallic elements Distinguishing luster (shine) Non-lustrous, various colors Malleable and ductile (flexible) as solids Brittle, hard or soft Conduct heat and electricity Poor conductors Metallic oxides are basic, ionic Nonmetallic oxides are acidic, compounds Cations in aqueous solution Anions, oxyanions in aqueous solution Metals Most metals are malleable (can be pounded into thin sheets; a sugar cube chunk of gold can be pounded into a thin sheet which will cover a football field), and ductile (can be drawn out into a thin wire). All are solids at room temp (except Mercury, which is a liquid) Metals tend to have low ionization energies, and typically lose electrons (i.e. are oxidized ) when they undergo chemical reactions o Alkali metals are always 1 + (lose the electron in s subshell) o Alkaline earth metals are always 2 + (lose both electrons in s subshell)
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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Metals - Metals, Nonmetals and Metalloids Characteristic...

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