wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

HYBRIDISATION

Total questions: 20

Worksheet time: 5mins

Name
Class
Date
1.

Why do all bonds form?

a)

so the number of protons equals the number of electrons

b)

so an atom can become unstable

c)

to fill the outermost energy level

2.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
3.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
4.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
5.
VSEPR stands for ________ theory.
a)
Valence Structure of Electron Pyramids and Regression
b)
Varied Structures of Electrons Paired and Replaced
c)
Varied Shell Energy of Protons and Radiation
d)
Valence Shell Electron Pair Repulsion
6.
What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?
a)
Ionic
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals Force
7.

A diatomic molecule like O2 is always _____ because electrons are shared _____

a)

nonpolar; unequally

b)

polar; equally

c)

nonpolar; equally

d)

polar; unequally

8.

px - px overlap (perpendicular to internuclear axis) is a _______

a)

σBond

b)

πBond

9.

A π (pi) bond is the result of the

a)

sidewise overlap of two parallel p orbitals

b)

overlap of two s orbitals

c)

sidewise overlap of two s orbitals

d)

overlap of an s orbital and a p orbital

e)

overlap of two p orbitals along their axes

10.

Which is the stronger bond?

a)

σBond

b)

πBond

11.

The purpose of promoting one or more electrons in the process of forming hybrid orbitals is ___________________

a)

to increase the number of unpaired electrons

b)

to increase the number of orbital

c)

to make orbital have same the shape and energy

d)

to use the empty d-orbitals

12.

Two carbon atoms form a linear shaped ethene, C2H4, molecule when bonded with four other hydrogen atoms. Prior to bonding, the carbon atom

a)

does not hybridise

b)

undergoes sp hybridisation

c)

undergoes sp2 hybridisation

d)

undergoes sp3 hybridisation

13.

What is the hybridization of a linear molecule?

a)

sp

b)

sp2

c)

sp3

d)

sp3d

14.

What is the hybridization of this molecule shown.

a)

sp

b)

sp2

c)

sp3

d)

sp4

15.

What is the hybridization of the Carbon atom indicated by the arrow?

a)

sp hybridization

b)

sp2 hybridization

c)

sp3 hybridization

d)

dsp3 hybridization

16.

What is the hybridization of PF5?

a)

sp3

b)

sp3d

c)

sp3d2

d)

sp2

17.

Molecule CO2

a)

undergoes sp2 hybridisation

b)

has 2 σ bond and 2 π bond

c)

undergoes sp3d hybridisation

d)

is trigonal planar molecule

18.

What is the hybridisation of carbon atom in hydrogen cyanide, HCN?

a)

sp

b)

sp2

c)

sp3

d)

sp3d

19.
How many sigma and pi bonds does this have? 
a)
3 sigma and 2 pi
b)
5 sigma and 5 pi
c)
5 sigma and 0 pi
d)
0 sigma and 5 pi
20.
Carbon atom undergo
a)
sp hybridization
b)
sp2 hybridization
c)
sp3 hybridization
d)
dsp3 hybridization