Question:

In a metallic crystal:

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Metallic bond = Positive kernels + Sea of mobile electrons.
Updated On: Apr 8, 2026
  • the valence electrons constitute a sea of mobile electrons
  • the valence electrons are localised in between the kernels
  • the valence electrons remain within the field of influence of their own kernels
  • None of the above
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The Correct Option is A

Solution and Explanation

Step 1: Concept
Metallic bonding is best described by the "Electron Sea Model".
Step 2: Analysis

In this model, a lattice of positive ions (kernels) is immersed in a "sea" of mobile valence electrons.
Step 3: Conclusion

These electrons move freely throughout the metallic crystal boundaries.
Final Answer: (A)
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