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Periodic Table. Periodic Table. States of Matter of Elements at Room Temperature blue = gases yellow = solids red = liquids. Classification of Elements blue = metals red = metalloids yellow = non metals. Group / Family Names. Chemical Symbols. Symbols commonly missed:
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Periodic Table Periodic Table
States of Matter of Elements at Room Temperature blue = gases yellow = solids red = liquids
Classification of Elements blue = metals red = metalloids yellow = non metals
Chemical Symbols • Symbols commonly missed: • A: Al, Ar, As, Au, Ag • B: Ba, Bi, B, Br, Be • C: C, Ca, Cd, Cl, Cr, Co, Cs, Cu. • M: Mg, Mn, Mo. • S: S, Sb, Si, Sr, Sn. • Latin: Fe, Au, Ag, Sb, Pb, Na, K, Hg, Cu. • German: W
Physical Properties of Metals • Metals are: • Efficient conductors of heat and electricity. • Malleable (Can be hammered into thin sheets). • Ductile (Can be pulled into wires). • Lustrous (shiny). • Tend to lose electrons and form cations. • Examples are: Na, Cu, Au, Ag, & Fe.
Metalloids • Substances with the properties of both metals and nonmetals. • Also called semimetals • Lie along the zigzag line between metals and nonmetals • The seven metalloids are: • B, Si, Ge, As, Sb, Te, At.
Physical Properties of Nonmetals • Nonmetals are: • Nonconductors of heat and electricity (insulators). • Not malleable, but are brittle. • Not ductile. • Dull and without a luster. • Tend to gain electrons to form anions. • Examples are: H, He, N, O, S, & P.