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AP Chemistry
3.2 Properties of Solids
IntermediateMCQConceptualExperimental20.6k
A student investigates the physical properties of four unknown crystalline solids, \(W\), \(X\), \(Y\), and \(Z\). The results of the student's tests are summarized in the table below.

SolidMelting point (\(^\circ\text{C}\))Electrical conductivity (solid state)Electrical conductivity (liquid state)
\(W\)\(119\)NonconductorNonconductor
\(X\)\(801\)NonconductorGood conductor
\(Y\)\(1085\)Good conductorGood conductor
\(Z\)\(1710\)NonconductorNonconductor

Based on the data in the table, which of the following statements correctly identifies one of the solids and provides the appropriate structural justification?

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