CARBON EXHIBITS TETRA VALENCY I.E C-C BOND ENERGY IS MAXIMUM
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Ashu...... Ammu answered this
As they have 4 valency
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Ashish Patwa answered this
This is because carbon has 2 electrons in its p orbital and in excited state the s orbital has one electron and p has 3 electrons so carbon completes all its four valencies and forms long chain of similar molecules.