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Non-Metals

Non-metals can be found on the right-hand side of the dividing step line on the periodic table. There are 17 non-metals.

Non-metals

Non-metals

  • One-quarter of the elements on the periodic table are non-metals.
  • Between the 17 elements, they can be all three states of matter.
  • Hydrogen is the most common element in the universe. Helium is the second most common.
Non-metal uses

Non-metal uses

  • We use lots of non-metals.
    • Oxygen – a reactant used in respiration.
    • Carbon – can be used as a fuel (coal), pencil ‘lead’ (graphite) and also composes diamonds.
    • Chlorine – used in cleaning products.
    • Fluorine – used in toothpaste.
    • Nitrogen – used in fertilisers.
Non-metal properties

Non-metal properties

  • The properties of non-metals include:
    • Good insulators – they do not conduct heat or electricity well. This is useful for keeping us warm and protecting us from electrical wiring.
    • Brittle – They will break apart and so cannot be hammered into shape.
    • None are magnetic (apart from carbon)
    • They have a low density.
    • Not ductile.
    • Not malleable.
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