Counting Atoms
Grade 7•45 minutes
Learning Objective
I can determine the number of atoms of each element in a chemical formula.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. How many atoms of each element are present in the following chemical formula: MgCl₂?
2. Explain the meaning of a coefficient in a chemical formula and how it affects the number of atoms of each element.
3. Determine the number of hydrogen atoms in 2H₂O.
...and 4 more questions
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Counting Atoms
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