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Check for Understanding Lesson 0

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Last updated 5 months ago
4 questions
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Question 4
4.

How many molecules are in this model?

Question 1
1.

We have been using the word particles to describe the smallest piece of matter. But now we have a new word. This word is..

Question 2
2.

Molecules are made of ...

Question 3
3.

This is a water molecule. How many atoms make it up?
Hint: Count the atoms