wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

4.1 Lewis Structure

Total questions: 10

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

All of the following are exceptional to octet rule, EXCEPT:

a)

AlCl3

b)

SO2

c)

SF4

d)

NO2

2.

All of the following is correct, EXCEPT

a)
b)
c)
d)
3.

Choose the CORRECT bonding for x, y and z for the NH4Cl showing below:

a)

x= covalent bond, y= covalent bond, z= metallic bond

b)

x= dative bond, y=covalent bond, z= ionic bond

c)

x= covalent bond, y= dative bond, z= ionic bond

d)

x=Hydrogen bond, y= dative bond, z= ionic bond

4.

Which of the following species can accept lone pair electrons to form dative bonds?

a)

BF3

b)

H2O

c)

NH3

d)

H2S

5.

Lewis structure ICl3 is given as follows.

The formal charges on iodine and chlorine are:

a)

Iodine: 0

Chlorine:0

b)

Iodine: -1

Chlorine:0

c)

Iodine: -1

Chlorine:-1

d)

Iodine: 0

Chlorine:-1

6.

There are several structures of N2O. Choose the most plausible Lewis structure for N2O.

a)
b)
c)
d)
7.

The valence electronic configuration of the element X and Y are

X : ns1 Y : ns2 np4

The formula and the type of bond formed by the elements could be

a)

X2Y , ionic

b)

X2Y , covalent

c)

XY2, ionic

d)

XY2, covalent

8.

The electronic configuration of element P and Q are as follows:

P: 1s2 2s2 2p6 3s2 3p6 4s2 3d1

Q: 1s2 2s2 2p5

When P and Q combine to form a compound, determine the most possible formula of this compound and the type of bonding between them

a)

Formula: PQ3

Type of bonding: covalent

b)

Formula: P3Q

Type of bonding: covalent

c)

Formula: PQ3

Type of bonding: electrovalent

d)

Formula: P2Q3

Type of bonding: electrovalent

9.

The ammonium chloride is held by the following chemical bonds EXCEPT

a)

Ionic bond

b)

Covalent bond

c)

Coordinate bond

d)

Hydrogen bond

10.

The total valence electron in the phosphonium ion, PH4+ is:

a)

8

b)

9

c)

12

d)

10