Question

Metallic bond is not characterized by

• A. Opacity
• B. Ductility
• C. High conductivity
• D. Directionality

Hint:

Unlike covalent bonds, which have specific bond angles, metallic bonds are non-directional because the electron cloud is delocalized.

Answer 1

The Correct Option is D

A metallic bond is the type of chemical bond that holds metal atoms together in a sea of delocalized electrons.
Step 1: Understanding Metallic Bonding Characteristics - Metallic bonds result from free-moving electrons that create strong cohesion between metal atoms. - They lead to high electrical and thermal conductivity, malleability, and ductility.


Step 2: Evaluating the Options - Option (A) - Incorrect: Many metals appear opaque due to their ability to absorb and reflect light. - Option (B) - Incorrect: Ductility is a key property of metals, allowing them to be drawn into wires. - Option (C) - Incorrect: Metals exhibit high electrical conductivity due to free-moving electrons. - Option (D) - Correct: Metallic bonds are non-directional because electrons are free to move, unlike covalent bonds which have specific orientations.


Step 3: Conclusion Since metallic bonds lack directionality, the correct answer is option (D).