Element

• Element


  A pure substance that is made of only one kind atom
• Types of elements

  • Metal
  • Non-metal
  • Metalloid
• Most of the elements are metals
• Metal


  • Typically shiny, opaque, and a good conductor of heat and electricity as a pure element
  • Ductile, which means they can be bent into different shapes without breaking
• With the exception of hydrogen, the nonmetals are on the right side of the periodic table
• Nonmetal


  • Poor conductors of heat and electricity
  • Solid nonmetals are brittle and appear dull
• Metalloid


  Elements on the border between metals and nonmetals
• Metalloid element

  • Silicon
• Silicon is an example of a metalloid element with properties in between those of metals and nonmetals