Why two carbon atoms cannot be linked by more than three covalent bond

1.	Why two carbon atoms cannot be linked by more than three covalent bonds?
Answer» A carbon atom has atomic number 6.It\'s electronic configuration is 2,4To become stable it shares it\'s 4 electrons.Two carbon atoms when linked together share 1 electron.After it now 3 electrons are left. Then these 3 electrons link by covalent bond to other atoms.So only 3 covalent bonds can be formed

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