Carbon and its Compounds
Revision Notes on Carbon and its Compounds Two or more elements combine to form compound. There are two types of compounds- Organic Compound and Inorganic Compounds . Organic compounds are the one which are made up of carbon and hydrogen. Covalent Bond The bond formed by sharing a pair of electrons between two atoms are known as Covalent Bond . Carbon forms covalent bond. Carbon exists in two forms- as free state and as combined state. Free form of carbon is found in graphite, diamond and fullerene. In combined state, carbon exists as Carbon-dioxide, Glucose, Sugar etc. Allotropes of Carbon Different forms of an element that has same chemical properties but different physical properties are known as Allotropes . There are three allotropes of carbon- diamond, graphite and fullerene. Diamond Diamond exits as three-dimensional network with strong carbon-carbon covalent bonds. Diamond is hard in nature with high melting point. It shines in presence of light and it is
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