A) the valence electrons constitute a sea of mobile electrons
B) the valence electrons are localized in between the kernels
C) the valence electrons remain within the field of influence of their own kernels
D) None of the above
Correct Answer: A
Solution :
According to electron sea model, in a metallic crystal a lattice of positive ions, called kernels, remains immersed in a sea of mobile valence electrons. These electrons move freely within the boundaries of metallic crystal.
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