Metals, Nonmetals, & Metalloids

Learn about metals, nonmetals, & metalloids! Sort elements, identify properties, and calculate density.

Sort the following properties and elements into Metals, Nonmetals, or Metalloids. Nonmetals Found on the Right Side of the Periodic Table Dull Poor Electrical Conductors Brittle when Solid Poor Thermal Conductors Oxygen (O) Helium (He) Hydrogen (H) Fluorine (F) Metals Shiny (Luster) Good Electrical Conductors Copper (Cu) Good Thermal Conductors Ductile Aluminum (Al) Malleable Found on the Left Side of the Periodic Table Mercury (Hg) Calcium (Ca) Metalloids Forms a Zigzag Line on the Periodic Table Semiconductors Boron (B) Silicon (Si) Arsenic (As) Mystery Element Matching Part 1 Use the Physical Properties of each Element to determine if it is a Metal, Nonmetal, or Metalloid. Mystery Element A Physical Properties: Good Conductor Shiny Luster Malleable Magnetic Ductile Solid METAL Mystery Element B Physical Properties: Semi Conductor Shiny Luster Brittle Solid Not Ductile METALLOID Mystery Element C Physical Properties: Poor Conductor Dull Brittle Solid Not Magnetic NONMETAL Calculate the Density of each Mystery Element. Use the formula: Density = Mass ÷ Volume. the above internet site and the density to determine which element each mystery element is. Mystery Element Mass Volume Density g Name of Mystery Element Element AMelting Pt: 1,495 C 178g 20 cubic cm 8.9 Cobalt Element BMelting Pt: 1,410 C 46g 20 cubic cm 2.3 Silicon Element C 96g 20 cubic cm 4.8 Selenium