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Check for Understanding Lesson 0
By Duna Dumel
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Last updated 8 months ago
4 questions
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Question 1
1.
Question 2
2.
Question 3
3.
This is a water molecule. How many atoms make it up?
Hint: Count the atoms
Question 4
4.
How many molecules are in this model?
We have been using the word particles to describe the smallest piece of matter. But now we have a new word. This word is..
matter
particle
molecule
Molecules are made of ...
atoms
molecules
molecule