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1 In question one I have to make a table the one below and give the differences between DIAMOND and GRAPHITE DiamondGraphite MOLECULE STRUCTURE Carbon atoms form a single bond to four other atoms They are arranged in tetrahedral geometry They are shaped in cubes Each carbon atom is bonded with three neighbours They are shaped hexagonal PHYSICAL APPERANCE Diamond is the hardest thing on earth It is transparent and very brilliantGraphite is a very soft carbon It is opaque and metallic and to earthy looking PHYSICAL PROPERTIES Diamond is an insulator No mineral can scratch a diamond but a diamond can scratch all other minerals It has a hardness of 10MOHS Has a high melting pointGraphite is a conductor of electricity All minerals can scratch graphite but it is difficult for a graphite to scratch many minerals as it is very soft It has a hardness of 1-2MOHS Has high melting point FUNCTION Diamond has captured human interest because it can reflect the light back that has entered it It can also change while light into many different colours of the rainbowGraphite is used in pencils high temperature crucibles dry cells light arch electrodes boats trays jigs moulds dies and many more uses White graphite has many technological uses 2What do the following words mean aAllotrope Some elements exist in different forms in the same shape Like diamond and graphite are both forms of carbon but their carbons are arranged in different manners b Covalent A chemical bond in which two atoms are held together by sharing electrons between them In graphite each carbon atom forms a strong bond with only 3 carbon atoms c Electric Conductivity Electric Conductivity is if a material can conduct electricity or not Like diamond cant conduct electricity its an insulator but graphite is a conductor as it can conduct electricity 3 Why are high temperature not enough to convert GRAPHITE into DIAMOND
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