Metals - metals make up 3/4 of the periodic table in left/middle part o o o o o o o shiny luster malleable(can be pounded into thin

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metals  - make up 3/4 of the periodic table, in left/middle part   shiny luster malleable (can be pounded into thin sheets)/ductile (can be drawn into wires) good conductors of heat/electricity tend to form cations (have low ionization energies) in aqueous solutions compounds of metals w/ nonmetals tend to be ionic most metal oxides are basic (form hydroxides when dissolved in water) metal oxides w/ acid form salt alkali metals (group 1A) - soft metallic solids o have the lowest I1 on each row o hydride ion - H-; bonds w/ alkali metals to form hydrides o reacts exothermically w/ water o superoxide - O2-; combines w/ potassium, rubidium, cesium o emit certain colors when heated by a flame alkaline earth metals (group 2A) - denser/harder than alkali metals o less reactive than alkali metals o Mg used for lightweight structure alloys because layer of MgO protects it from other chemicals nonmetals  - on right side of periodic table   no luster, has various appearances
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This document was uploaded on 10/30/2011 for the course CHEM 161 at Rutgers.

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Metals - metals make up 3/4 of the periodic table in left/middle part o o o o o o o shiny luster malleable(can be pounded into thin

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