Lesson 7: Electron DOT Notation
10 Questions
| Total Attempts: 689
Listed below are 10 elements. Determine the correct number of valence electrons present in atoms of each element and choose the answer with the number. You may write the ECN first if necessary.
Questions and Answers
- 1.He
- A.
2
- B.
3
- C.
4
- D.
5
- 2.B
- A.
3
- B.
4
- C.
5
- D.
6
- 3.F
- A.
4
- B.
5
- C.
6
- D.
7
- 4.Ne
- A.
4
- B.
6
- C.
8
- D.
10
- 5.Mg
- A.
12
- B.
2
- C.
3
- D.
5
- 6.Al
- A.
2
- B.
13
- C.
3
- D.
8
- 7.P
- A.
4
- B.
5
- C.
6
- D.
15
- 8.Ca
- A.
8
- B.
7
- C.
3
- D.
2
- 9.Cl
- A.
4
- B.
2
- C.
7
- D.
8
- 10.Fe
- A.
6
- B.
2
- C.
9
- D.
4
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