Metals and Non-Metals

• Metals properties:

  • Lose electrons and form positive ions.
  • High melting and boiling points.
  • Good electrical and thermal conductors.
  • A basic oxide - means that when combined with water a base is given off.
  • Shiny.
  • Malleable.
  • Sonorous.
• Reactivity of metals:

  • More reactive towards the bottom of the group
  • More reactive when they lose electrons more easily
• Non-metals properties:

  • Gain electrons to from negative ions.
  • Low melting and boiling points.
  • Poor conductors of electricity and thermal energy.
  • Low density.
  • Acidic oxide - means when combined with water an acid is given off.
  • Brittle.
  • Dull.
• Transition metal properties:

  • Form many different ions
  • Form colourful compounds
  • Good catalysts
• Non-metal and non-metal forms a molecular compound.