Counting Atoms in Compounds Worksheet

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Students practice counting atoms of each element in a chemical formula and analyze both ball and stick models and skeletal drawings. 

Includes PRINT and GOOGLE SLIDES versions!

Part One: Look at MOLECULAR FORMULAS and count the number of atoms of each element.

Part Two: Look at BALL AND STICK MODELS and skeletal models of compounds and count the number of atoms of each element.

Teacher Notes:

• Related standard: NGSS MS-PS1-1
• INCLUDES AN ANSWER KEY.
• Please note that this Counting Atoms in Compounds Worksheet is not editable.
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Related Standards:

• NGSS MS-PS1-1: Develop models to describe the atomic composition of simple molecules and extended structures.