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Metals and Non-metal

Physical Properties of Non-Metals

Read First- Physical Properties of Metals Non-metals Physical state – Non-metals exists in all three physical state. Carbon, sulphur, phos-phorous etc. are solids. Oxygen, nitrogen, chlorine etc. are gases whereas bromine is a liquid.  Lustre – Non- metals are non-lustrous substances.            Exception – Diamond, graphite (allotropes of carbon) and iodine are lustrous in appearance. Hardness …

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Physical Properties of Metals

Elements are broadly classified on the basis of their physical and chemical properties-                                (a) Metals (b) Non-metals Besides metals and non-metals, there is a third group of elements called metalloids which show properties intermediate to metals and non-metals. E.g.- silicon (Si), germanium (Ge), arsenic (As), antimony (Sb) and tellurium (Te). There are very few …

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