Counting Atoms
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Objective
I can determine the number of atoms of each element in a chemical formula.
Part 1 of 3
Warm-up video
Teacher's Pet · 4:07
We don't generate video — this one is by Teacher's Pet on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
How many atoms of each element are present in the following chemical formula: MgCl₂?
Explain the meaning of a coefficient in a chemical formula and how it affects the number of atoms of each element.
Part 3 of 3
Exit ticket
Quick comprehension check
“How many atoms of each element are present in the chemical formula: Ca₃(PO₄)₂? How many atoms of each element are present in the chemical formula: 3Mg(OH)₂? ”
Sample answer included in the free materials
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