AP Chemistry
2.4 Structure of Metals and Alloys
2.3 Structure of Ionic Solids
2.1 Types of Chemical Bonds
A student investigates the physical properties of three solid substances, \(X\), \(Y\), and \(Z\), at \(25\ ^\circ\text{C}\) and \(1\text{ atm}\). The results of the investigation are recorded in the table below.
Based on the data in the table, which of the following correctly classifies the primary type of bonding in substances \(X\), \(Y\), and \(Z\)?
| Substance | Melting point (\(^\circ\text{C}\)) | Electrical conductivity (solid) | Electrical conductivity (liquid) | Mechanical behavior |
|---|---|---|---|---|
| \(X\) | \(115\) | Nonconductive | Nonconductive | Brittle |
| \(Y\) | \(801\) | Nonconductive | Conductive | Brittle |
| \(Z\) | \(1085\) | Conductive | Conductive | Malleable |
Based on the data in the table, which of the following correctly classifies the primary type of bonding in substances \(X\), \(Y\), and \(Z\)?
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