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Asked Jan 5, 2020
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 >Tin exists in two allotropic forms. Gray tin has a diamond structure and white tin has a close-packed structure. Predict which allotrope is (a) denser, (b) a conductor of electricity. Predict the valence electronic configuration of tin in each allotrope. 

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Step 1

a. White tin is denser than gray tin.

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Step 2

b. White tin is a good conductor of elect...

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