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Learning Plan

  1. Watch the video on writing formulas for molecular compounds.

  2. Review Essential Information on formula writing for molecular compounds.

  3. Correctly write the formula for ten compounds in a row!

Once you get ten in a row, return to the Syllabus or continue to Properties of Ionic and Molecular Compounds).

Essential Information

Keys for Writing Formulas for Molecular Compounds:

  • Write the element symbol for both elements.
  • Place a subscript after each element according to its prefix.
mono di tri tetra penta hexa hepta octa non dec
1 2 3 4 5 6 7 8 9 10

  • Don’t write the subscript '1'.