Snapquiz - Electron Structure

This is the Snapquiz on Electron Structure. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. A carbon atom has a mass number of 12 and a proton number of 6. How many electrons are in its outer shell?

4.
6.
2.
12.


Question 2. A chlorine atom has a mass number of 35 and an atomic number of 17. How many electrons does it have?

35.
52.
18.
17.


Question 3. An argon atom has a proton number of 18 and a mass number of 40. How many electrons are in its outer shell?

40.
18.
8.
22.


Question 4. A lithium atom has a proton number of 3 and a mass number of 7. How many electrons does it have?

3.
10.
4.
7.


Question 5. A hydrogen atom has a mass number of 1 and a proton number of 1. How many electrons are in its outer shell?

0.
1.
4.
2.


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