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- 1. Multiple Choice
Electron shells can be thought of as which vegetable?
Carrot
Capsicum
Onion
Sweet potato
- 2. Multiple Choice
Electrons repel each other and move frantically in their shells because
Their positive charges repel
Their negative charges attract
Their negative charges repel
Their positive charges attract
- 3. Multiple Choice
Electron shells are numbered 1, 2, 3, 4. Their corresponding lettered shells are:
N, O, P, Q
K, L, M, N
L, M, N, O
A, B, C, D
- 4. Multiple Choice
In ascending order, the maximum number of electrons each shell can hold is
2, 8, 8, 32
2, 8, 18, 32
2, 6, 8, 32
2, 3, 4, 5
- 5. Multiple Choice
Boron (B) has 5 electrons. Its electron configuration is
5
2, 2, 1
1, 2, 2
2, 3
- 6. Multiple Choice
An element with the electron configuration 2, 1 is in which group number?
1
2
3
4
- 7. Multiple Choice
The electron configuration of Nitrogen is
0, 2, 5
N, 2, 5
7
2, 5
- 8. Multiple Choice
The electron configuration of sulfur is
2, 8, 6
2, 8, 8
3, 8, 6
0, 2, 8
- 9. Multiple Choice
How many protons does Magnesium have?
24
12
2
16
- 10. Fill in the Blank
What does this symbol stand for?
- 11. Multiple Choice
Sodium has a mass number of 23. How many neutrons does it have?
12
34
23
11
- 12. Fill in the Blank
An element has an electron configuration of 2,8. Which element is this?
- 13. Multiple Choice
The electron configuration of oxygen is 2, 6. What is its atomic number?
2
6
8
4
- 14. Multiple Choice
Aluminium has 13 electrons. How many electron shells would make up the atom?
1
2
3
4
- 15. Multiple Choice
The electron configuration of lithium is 2,1. Which shells do the electrons occupy?
L, M
N, O
K, L
K, L, M
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