What is the Mole?
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Objective
I can define the mole and explain its importance in chemistry.
Part 1 of 4
Warm-up video
TED-Ed · 4:33Vetted channel
We don't generate video — this one is by TED-Ed 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 4
Key concepts
3 concepts
- 1
A mole is a concept used in chemistry to count molecules and atoms.
- 2
Avogadro's number, 6.02 x 10²³, is named after Lorenzo Romano Amedeo Carlo Avogadro who proposed that equal volumes of gases contain an equal number of particles.
- 3
Chemists use the term mole to refer to quantities at the magnitude of 6.02 x 10²³, also known as a molar quantity.
Part 3 of 4
Practice
10 questions
What is a mole in the context of chemistry?
Why is the mole important to chemists?
Part 4 of 4
Exit ticket
Quick comprehension check
“Define the term 'mole' as it is used in chemistry, and explain why it is important for chemists to use this concept.”
Sample answer included in the free materials
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