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Worksheets

Lewis Dot

Total questions: 24

Worksheet time: 24mins

Name
Class
Date
1.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
2.

Which is the correct molecular structure for carbon dioxide CO2?

a)
b)
c)
d)
3.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
4.

CCl4 has how many double bonds?

a)

0

b)

1

c)

2

d)

3

5.

In HCN how many total electrons will there be in the drawing? (Hint: A column)

a)

14

b)

18

c)

10

d)

4

6.

Which of the following elements are an exception to the octet rule and require less than 8 valence electrons?

a)

H only needs 2

b)

Li only needs 3

c)

B only needs 6

d)

C only needs 4

7.

What bond is formed when a metal transfers electrons to a nonmetal?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

8.

What is a cation?

a)

a metal with a negative (-) charge that gains electrons

b)

a non-metal with a negative (-) charge that loses electrons

c)

a metal with a positive (+) charge that loses electrons

d)

a non-metal with a positive (+) charge that loses electrons

9.

What is a anion?

a)

a metal with a negative (-) charge that loses electrons

b)

a non-metal with a negative (-) charge that gains electrons

c)

a metal with a positive (+) charge that gains electrons

d)

a non-metal with a positive (+) charge that loses electrons

10.

MgCl2

a)

Ionic

b)

Covalent

c)

Metallic

11.

NaCl

a)

Ionic

b)

Covalent

c)

Metallic

12.

CO2

a)

Ionic

b)

Covalent

c)

Metallic

13.

NO3 1-

a)

Ionic

b)

Covalent

c)

Metallic

14.

NH4 1+

a)

Ionic

b)

Covalent

c)

Metallic

15.

SO4

a)

Covalent

b)

Ionic

c)

Metallic

16.

O3

a)

Covalent

b)

Ionic

c)

Metallic

17.

The octet rule means that all valence shells want to have the number......

a)

1

b)

9

c)

8

d)

16

18.

What bond is formed between 2 or more nonmetals sharing electrons?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

19.

What bond type shares electrons?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

20.

What bond type transfers electrons?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

21.

What bond type is a "sea of electrons"?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

22.

Which of the following would be held together by the metallic bond?

a)

Atoms of iron (Fe)

b)

Molecules of CH4

c)

Atoms of sulfur (S)

d)

Units of NaCl

23.

Where are metals located on the periodic table?

a)

right side of the staircase

b)

on the staircase

c)

left side of the staircase

24.

Where are the nonmetals located on the periodic table?

a)

right side of the staircase

b)

left side of the staircase

c)

on the staircase