Formulas and Atom Counting

The Formulas and Atom Counting Concept Builder provides learners an exercise in counting the number of atoms of each element in a formula or group of formulas. Learners will gain a comfort and a confidence with how to interpret formulas, making sense of such things as elemental symbols, subscripts, parenthesis, and coefficients. There are three levels of difficulty with each successive level including more elements and more formulas.There are a total of 36 questions in this Concept Builder. They are organized into 12 different Question Groups and spread across the three difficulty levels. Question-specific help is provided for each of the 12 situations. The built-in score-keeping makes this Concept Builder a perfect candidate for a classroom activity.

Launch Concept Builder

Users are encouraged to open the Concept Builder and explore. There is no need for an activity sheet for this Concept Builder. However, the 12 different groups of questions can be printed. View Questions  (For Teachers Only).

Learners and Instructors may also be interested in viewing the accompanying Notes page. Technical information, teaching suggestions, and related resources that complement this Concept Builder are provided on the Notes page. View Notes.