Free Printable Practice lewis structures and oxidation numbers

1.

How many valence electrons do the alkali metals have?

a)

1

b)

2

c)

3

d)

4

2.

How many valence electrons do the alkaline earth metals have?

a)

1

b)

2

c)

3

d)

4

3.

How many valence electrons do the boron group elements have?

a)

1

b)

2

c)

3

d)

4

4.

How many valence electrons do the carbon group elements have?

a)

1

b)

2

c)

3

d)

4

5.

How many valence electrons do the nitrogen group elements have?

a)

4

b)

5

c)

6

d)

7

6.

How many valence electrons do the oxygen group elements have?

a)

4

b)

5

c)

6

d)

7

7.

How many valence electrons do the halogens have?

a)

5

b)

6

c)

7

d)

8

8.

How many valence electrons do the noble gases have?

a)

5

b)

6

c)

7

d)

8

9.

what is the oxidation number for the alkali metals?

a)

+1

b)

+2

c)

+3

d)

+4

10.

what is the oxidation number for the alkaline earth metals?

a)

+1

b)

+2

c)

+3

d)

+4

11.

what is the oxidation number for the boron group elements?

a)

+1

b)

+2

c)

+3

d)

+4

12.

what is the oxidation number for the alkali metals?

a)

+1

b)

-1

c)

+7

d)

-7

13.

what is the oxidation number for the alkaline earth metals?

a)

+2

b)

-2

c)

+6

d)

-6

14.

what is the oxidation number for the boron group elements?

a)

+3

b)

-3

c)

+5

d)

-5

15.

what is the oxidation number for the carbon group elements?

a)

+/- 5

b)

+/- 3

c)

+/- 4

d)

+/- 8

16.

what is the oxidation number for the nitrogen group elements?

a)

+3

b)

-3

c)

+5

d)

-5

17.

what is the oxidation number for the halogens?

a)

+1

b)

-1

c)

+7

d)

-7

18.

what is the oxidation number for the oxygen group elements?

a)

+2

b)

-2

c)

+6

d)

-6

19.

what is the oxidation number for the nitrogen group elements?

a)

-3

b)

-2

c)

-1

d)

-4

20.

what is the oxidation number for the oxygen group elements?

a)

-3

b)

-2

c)

-1

d)

-4

21.

what is the oxidation number for the halogens?

a)

-3

b)

-2

c)

-1

d)

-4

22.

what is the oxidation number for the noble gases?

a)

-7

b)

+8

c)

0

d)

-8

23.

When drawing a lewis structure, how many dots would you put around the alkali metals?

a)

1

b)

2

c)

3

d)

4

24.

When drawing a lewis structure, how many dots would you put around the alkaline earth metals?

a)

1

b)

2

c)

3

d)

4

25.

When drawing a lewis structure, how many dots would you put around the boron group elements?

a)

1

b)

2

c)

3

d)

4

26.

When drawing a lewis structure, how many dots would you put around the carbon group elements?

a)

1

b)

2

c)

3

d)

4

27.

When drawing a lewis structure, how many dots would you put around the nitrogen group elements?

a)

5

b)

6

c)

7

d)

8

28.

When drawing a lewis structure, how many dots would you put around the oxygen group elements?

a)

5

b)

6

c)

7

d)

8

29.

When drawing a lewis structure, how many dots would you put around the halogens?

a)

5

b)

6

c)

7

d)

8

30.

When drawing a lewis structure, how many dots would you put around the noble gases?

a)

5

b)

6

c)

7

d)

8

31.

When drawing a lewis structure, how many dots would you put around Kr (atomic number 36)?

a)

5

b)

6

c)

7

d)

8

32.

When drawing a lewis structure, how many dots would you put around S (atomic number 16)?

a)

5

b)

6

c)

7

d)

8

33.

When drawing a lewis structure, how many dots would you put around I (atomic number 53)?

a)

5

b)

6

c)

7

d)

8

34.

When drawing a lewis structure, how many dots would you put around Sr (atomic number 38)?

a)

1

b)

2

c)

3

d)

4

35.

When drawing a lewis structure, how many dots would you put around Cs (atomic number 55)?

a)

1

b)

2

c)

3

d)

4

36.

When drawing a lewis structure, how many dots would you put around Ga (atomic number 31)?

a)

1

b)

2

c)

3

d)

4

37.

When drawing a lewis structure, how many dots would you put around As (atomic number 33)?

a)

4

b)

5

c)

6

d)

7

38.

When drawing a lewis structure, how many dots would you put around He (atomic number 2)?

a)

1

b)

2

c)

3

d)

4

39.

What is the oxidation number of Na (atomic number 11)

a)

+1

b)

-1

c)

+7

d)

-7

40.

What is the oxidation number of Ba (atomic number 56)

a)

+2

b)

-2

c)

+6

d)

-6

41.

What is the oxidation number of P (atomic number 15)

a)

+3

b)

-3

c)

+5

d)

-5

42.

What is the oxidation number of Al (atomic number 13)

a)

+3

b)

-3

c)

+5

d)

-5

43.

What is the oxidation number of F (atomic number 9)

a)

+1

b)

-1

c)

+7

d)

-7

44.

What is the oxidation number of O (atomic number 8)

a)

+2

b)

-2

c)

+6

d)

-6

45.

What is the oxidation number of Be (atomic number 4)

a)

+2

b)

-2

c)

+6

d)

-6

46.

What is the oxidation number of Cl (atomic number 17)

a)

+1

b)

-1

c)

+7

d)

-7

47.

What is the oxidation number of Li (atomic number 3)

a)

+1

b)

-1

c)

+7

d)

-7

48.

What is the oxidation number of S (atomic number 16)

a)

+2

b)

-2

c)

+6

d)

-6

49.

What is the oxidation number of Ne (atomic number 10)

a)

0

b)

-8

c)

+8

d)

-7

50.

When drawing a lewis structure, how many dots would you put around Si (atomic number 14)?

a)

1

b)

2

c)

3

d)

4

Practice lewis structures and oxidation numbers

Total questions: 50

Worksheet time: 25mins

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