Metals, nonmetals and metalloids lab.doc - Name_Date_Period 1 2 3 4 5 6 7 Metals Nonmetals and Metalloids Lab State the Problem How are various elements

Metals, nonmetals and metalloids lab.doc - Name_Date_Period...

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Name ___________________________________________________Date _______________Period 1 2 3 4 5 6 7 Metals, Nonmetals and Metalloids Lab State the Problem How are various elements classified? Gather Information The periodic table can be classified into metals, nonmetals and metalloids. The characteristics of these groups vary greatly. Metals tend to be ductile, malleable, have a metallic luster and are conductors of heat and electricity. Nonmetals tend to be non- lustrous, brittle and poor conductors of heat and electricity. Ductile means that an element has the ability to be drawn into a wire. Copper is used in wiring because it is both ductile and conductive. Malleable means that an element has the ability to be hammered into thin sheets while luster means the element is shiny. Silver and gold are both malleable and lustrous, excellent properties for using these elements in jewelry. Metalloids share some characteristics of both metals and nonmetals. For example, silicon has luster and looks like a metal but does not conduct heat or electricity like a metal. Silicon is classified as a semi-conductor since it will conduct electricity better than a nonmetal. The properties of silicon make it an excellent choice for use in electronic devices. Form a Hypothesis If the element is a _______________, then it will have the following characteristics: ________________________________________________________________________.
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  • Fall '17
  • ALLYSON CHRSITENSEN

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