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Multiple Choice
How many covalent bonds can a typical carbon atom form?
A
Five
B
Three
C
Four
D
Two
Verified step by step guidance
1
Understand the concept of covalent bonding: Covalent bonds are formed when atoms share electrons to achieve a full outer shell, typically following the octet rule.
Recognize the electron configuration of carbon: A typical carbon atom has an atomic number of 6, which means it has 6 electrons. Its electron configuration is 1s² 2s² 2p².
Identify the valence electrons: The valence electrons are the electrons in the outermost shell. For carbon, these are the 2s² and 2p² electrons, totaling 4 valence electrons.
Apply the octet rule: Carbon needs 4 more electrons to complete its octet, which it achieves by forming covalent bonds. Each bond allows carbon to share one electron with another atom.
Conclude the number of covalent bonds: Since carbon has 4 valence electrons and needs 4 more to complete its octet, it can form 4 covalent bonds.