Metals, Nonmetals, Metalloids Worksheet

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Metals, Nonmetals, Metalloids Worksheet

Worksheet for identifying metals, nonmetals, metalloids and their properties.
Worksheet for identifying metals, nonmetals, metalloids and their properties. Todd Helmenstine

This worksheet can be used to have students identify elements as metals, nonmetals or metalloids. It also has a section to list physical characteristics of each type of element.

This worksheet is available as a free download in PDF format.
It is also available in Microsoft Word format if you would like to customize the questions.

Worksheet Answers:

Copper - metal
Oxygen - nonmetal
Boron - metalloid
Potassium - metal
Silicon - metalloid
Helium - nonmetal
Aluminum - metal
Hydrogen - nonmetal
Calcium - metal
Polonium - metalloid

Physical Properties - Possible Answers


  • shiny
  • solid at room temperature (except for mercury)
  • malleable
  • ductile
  • high melting points
  • high densities
  • large atomic radii
  • low ionization energies
  • low electronegativities
  • good electrical conductors
  • good thermal conductors


  • dull non-lustrous appearance
  • poor electrical conductors
  • poor thermal conductors
  • nonductile
  • brittle solid form


  • electronegativities between metals and nonmetals
  • ionization energies between metals and nonmetals
  • reactivity depends on other elements involved in the reactions
  • intermediate electrical conductivity (used in semiconductors)
  • can have characteristics of both metals and nonmetals

More About
Metals and Nonmetals
Metalloids or Semimetals