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Mastering the Hume-Rothery Rules

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Questions and Answers

What is the unit of measurement for atomic size?

Nanometer

Centimeter

Picometer (correct)

Millimeter

Which of the following is NOT a condition for two elements to form a substitutional solid solution according to the Hume-Rothery rules?

The two elements have similar crystal structures.

The two elements have similar electronegativities.

The atomic size of the solute atoms is within 15% of the atomic size of the solvent atoms.

The two elements have different valences. (correct)

What is a face-centered cubic structure?

A structure with an atom at each of the eight corners of a cube

A structure with no atoms in the cube

A structure with an atom at the center of each of the six faces of a cube (correct)

A structure with an atom at the center of the cube

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Description

Can you predict which elements will form a substitutional solid solution? Take this quiz and test your knowledge of the Hume-Rothery rules. Learn how the atomic size of solute and solvent atoms affects their ability to dissolve and form a solid solution. Challenge yourself with questions that cover the four conditions necessary for a successful solid solution. Sharpen your understanding of material science and become an expert in predicting the formation of substitutional solid solutions.