Substitutional Alloys (College Board AP Chemistry)

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Substitutional Alloys

  • An substitutional alloy is composed of atoms with similar radii
    • Atoms of the substituting element can take the place of some of the original metal’s atoms in the lattice
  • Brass, composed of copper and zinc, is an example of a substitutional alloy

Diagram of a substitutional alloy

 substitutional-alloy-brass

Diagram of brass showing zinc atoms occupying some of the positions in a lattice of carbon atoms

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Fallon

Author: Fallon

Fallon obtained a double major in chemistry and secondary education, and after graduating she taught Chemistry and Organic Chemistry for 7 years. Fallon’s passion for creating engaging classroom materials led her to pursue a career in content development. For over 3 years, Fallon has created videos, review materials, and practice questions for AP Chemistry, IGCSE, and other international exam boards.