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[ThreeOne]

Discuss the major advances in our understanding of the structure of matter that provided scientists with the evidence they needed to develop models to explain the conduction properties of metallic conductors, and later to offer an explanation for the behaviour of superconductors (7 marks)

I've doing the question but I just... don't know the answer^^;

Thanks in advance.

 

[helper]

Look up x-ray diffraction Braggs for a start.