Unique nature of Carbon atom- It has 4 valence electrons, so it forms 4 covalent bonds by mutually sharing its 4 electrons with other atoms. Hence Carbon is tetravalent.
Catenation- Tendency of an element to form chains of identical atoms. Catenation is maximum in carbons.
Features of Organic Compound-
a) Exists in solid, liquid and gaseous forms
b) Covalent Compounds
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