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 phosphorus atom has a mass number of 30 and a proton number of 15. How many electron shells does it have?

3.
1.
2.
4.


Question 2. A hydrogen atom has a mass number of 1 and a proton number of 1. How many electrons are in its outer shell?

1.
4.
0.
2.


Question 3. A chlorine atom has a mass number of 35 and an atomic number of 17. How many electrons does it have?

52.
18.
35.
17.


Question 4. An oxygen atom has a atomic number of 8 and a mass number of 16. How many electrons are in its outer shell?

4.
6.
8.
16.


Question 5. A carbon atom has a mass number of 12 and a proton number of 6. How many electrons are in its outer shell?

4.
2.
12.
6.


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