Lesson: Chemical Formulas Chemistry • First Year of Secondary School

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In this lesson, we will learn how to write and interpret the notations used in chemical formulas.

Students will be able to

determine the number of atoms in a compound from its chemical formula,
write the chemical name of compounds based on the elements they contain or from their chemical formula,
use the symbols of elements to write the formula of simple compounds,
use the formula of common ions to write the formula of simple compounds.