AP Chemistry
2.4 Structure of Metals and Alloys
A metallurgical engineer analyzes the atomic radii of four elements shown in the table below.
Two binary alloys are synthesized: Alloy 1 is composed of \(\text{Fe}\) and \(\text{C}\), while Alloy 2 is composed of \(\text{Cu}\) and \(\text{Ni}\). Which alloy is expected to be more rigid and less malleable, and what is the correct structural justification?
| Element | Atomic Radius (\(\text{pm}\)) |
|---|---|
| \(\text{Fe}\) | \(126\) |
| \(\text{C}\) | \(77\) |
| \(\text{Cu}\) | \(128\) |
| \(\text{Ni}\) | \(124\) |
Two binary alloys are synthesized: Alloy 1 is composed of \(\text{Fe}\) and \(\text{C}\), while Alloy 2 is composed of \(\text{Cu}\) and \(\text{Ni}\). Which alloy is expected to be more rigid and less malleable, and what is the correct structural justification?
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