Bonding in Carbon: Covalent Bond and Allotropes
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Questions and Answers

What is the electronic configuration of carbon?

2, 4

Why can't carbon form an ionic bond?

It would be difficult for the nucleus with six protons to hold on to ten electrons.

Define covalent bond.

The bond formed by mutual sharing of electron pairs between two atoms in a molecule.

What does the electron dot structure represent in molecules?

<p>The shared pairs of electrons and octet rule.</p> Signup and view all the answers

How many pairs of electrons are shared in a triple covalent bond?

<p>Three</p> Signup and view all the answers

What is the phenomenon in which an element exists in two or more different physical states with similar chemical properties?

<p>Allotropy</p> Signup and view all the answers

Name the three main allotropes of Carbon and briefly describe one unique property of each.

<p>Diamond (hardness and insulator), Graphite (good conductor of electricity and lubricant), Buckminster Fullerene (spherical molecules)</p> Signup and view all the answers

What physical properties of organic compounds lead to their low boiling and melting points?

<p>Weak inter-molecular force of attraction</p> Signup and view all the answers

Why are most carbon compounds poor conductors of electricity?

<p>Absence of free electrons and free ions</p> Signup and view all the answers

What property of carbon allows it to form long straight, branched, and ring structures?

<p>Catenation</p> Signup and view all the answers

Explain the versatile nature of carbon in terms of catenation and tetravalent nature.

<p>Carbon's ability to form long chains and rings through covalent bonds (catenation) and its tendency to form four bonds due to having four valence electrons (tetravalent nature).</p> Signup and view all the answers

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