Carbon

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Carbon

  1. 2. <ul><li>Carbon Is An Useful Non-metal Element. </li></ul><ul><li>Its Chemical Symbol Is C And Atomic Number Is 6. </li></ul><ul><li>There 6 Proton, 6 Electron And 6 Neutron In Carbon Atom. </li></ul><ul><li>In Nature Carbon Can Be Found As Diamond And Graphite In Free State. </li></ul>
  2. 3. <ul><li>1) Crystalline forms :- </li></ul><ul><li>Diamond , Graphite , Fullerenes. </li></ul><ul><li>Amorphous :- Coal </li></ul>
  3. 5. <ul><li>In diamond each carbon atom is joined to four other carbon atom by covalent bond to give three dimensional tetrahedral crystal structure. </li></ul><ul><li>Due to this network structure of carbon. Diamond is very hard. </li></ul><ul><li>Hardness of diamond is 10 , while that of coin is 3 . </li></ul><ul><li>Specific density of diamond is 3.52 g/cm ³ . and it is non - conductor of electricity. </li></ul>
  4. 6. <ul><li>Diamond Mines Are Found In Madhya Pradesh And Andhra Pradesh. Diamonds Are Use In Jewellery, For Cutting Hard Material And In Drilling Machines . </li></ul>
  5. 7. <ul><li>Diamond is not affected by acid or alkali , but with chromic acid it is oxidized to form carbon dioxide. </li></ul><ul><li>When heated at to 0 º c in presence of fluorine gas , the diamond reacts to give carbon tetrafloride. </li></ul>

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