Metals, Nonmetals, and Metalloids Worksheet

This worksheet can be used to  test  students by having them identify elements as metals, nonmetals, or metalloids. It also has a section to list the physical characteristics of each type of element.​ The worksheet is available as a free download in  Ã¢â‚¬â€¹PDF format. Metals, Nonmetals, and Metalloids Worksheet Worksheet for identifying metals, nonmetals, metalloids and their properties. Todd Helmenstine Worksheet Answers Copper - metalOxygen - nonmetalBoron - metalloidPotassium - metalSilicon - metalloidHelium - nonmetalAluminum - metalHydrogen - nonmetalCalcium - metalPolonium - metalloid Physical Properties: Possible Answers Metals: ï » ¿ShinySolid at room temperature (except for mercury)MalleableDuctileHigh melting pointsHigh densitiesLarge atomic radiiLow ionization energiesLow electronegativitiesGood electrical conductorsGood thermal conductors Nonmetals: Dull non-lustrous appearancePoor electrical  conductorsPoor thermal conductorsNonductileBrittle solid form Metalloids: Electronegativities between metals and nonmetalsIonization energies between metals and nonmetalsReactivity depends on other elements involved in the reactionsIntermediate electrical conductivity (used in  semiconductors)Sometimes have characteristics of both metals and nonmetals