Ch27 - Metals and non-metals

• Ion - positive OR negative atomic charge

  A metal is an element that usually forms positive ions / loses electrons

  A non-metal is an element that usually forms negative ions / gains electrons
• Properties of metals:

  • Lustrous - its appearance is shiny. Ex) gold, silver
  • Ductile - can be stretched into wire. Ex) copper
  • Malleable - can be beat into many shapes.
  • Conducts heat - allows heat to pass through it. Ex) pots, pans
  • Conducts electricity - allows current to flow through it.
  • Strong - can support a heavy load.