PHYSICAL PROPERTIES OF NON METALS

PHYSICAL PROPERTIES OF NON METALS

  • There are very few non-metals as compared to metals.
  • The non-metals are either solids or gases except bromine which is a liquid.
  • Some of the examples of non-metals are carbon, sulphur, iodine, oxygen, hydrogen, etc.
  • Iodine is a non-metal but it is lustrous.
  • Carbon is a non-metal that can exist in different forms. Each form is called an allotrope.
  • Diamond, an allotrope of carbon, is the hardest natural substance known and has a very high melting and boiling point.
  • Graphite, another allotrope of carbon, is a conductor of electricity.
  • Alkali metals (lithium, sodium, potassium) are so soft that they can be cut with a knife.
  • They have low densities and low melting points.
Difference Between Metals and Non Metals
Difference Between Metals and Non Metals
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