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Quiz 5

Total questions: 17

Worksheet time: 3mins

Name
Class
Date
1.

Who introduced the concept of hybridization

a)

Pauling

b)

London

c)

Sidwick

d)

Alexander

2.

What type of hybridization does a BCL3 molecule undergo

a)

sp

b)

sp2

c)

sp3

d)

sp3d

3.

What is the bond angle of H-C-H in methane molecule

a)

104.5

b)

109.5

c)

108

d)

120

4.

What is the geometry of PCl5 molecule

a)

Square pyramidal

b)

V-shaped

c)

Trigonal bipyramidal

d)

Tetrahedral

5.

At room temperature, F is found to be.....

a)
solid
b)
gas
c)
liquid
d)
plasma
6.

Which of the following is/are a common property of Fluorine

a)
Conducts electricity well
b)

Halogen

c)
Noble gas
d)
Low melting point
e)
Highly reactive nonmetal
7.

Fluorine is a strong oxidizing agent, true or false

a)

true

b)

no

c)

false

d)

yes

8.

What is the main industrial use of fluorine

a)
Manufacturing of steel
b)
Creation of plastic polymers
c)
Production of hydrofluoric acid
d)
Production of sulfuric acid
9.

Fluorine can also be used in dental care

a)

True

b)

False

c)

Maybe

d)

none of the above

10.

What is the most abundant occurring isotope of fluorine

a)
Fluorine-19
b)
Fluorine-17
c)
Fluorine-18
d)
Fluorine-20
11.

What statement actually describes fluorine in the periodic table?

a)
Fluorine is a noble gas
b)
Fluorine is the least electronegative element on the periodic table
c)
Fluorine is a highly reactive nonmetal and the most electronegative element on the periodic table.
d)
Fluorine is a metal with low reactivity
12.

Fluorine is the heaviest halogen

a)
Fluorine is a metal
b)
True
c)
False
d)
Fluorine is the lightest halogen
e)

Fluorine is the heaviest halogen

13.

Classical mechanics deal with the study of microscopic objects

a)
True
b)
Partially true
c)

maybe

d)
False
14.

The type of mechanics that defines motion without concerning its causes is known as........

a)
Statics
b)
Thermodynamics
c)
Dynamics
d)
Kinematics
15.

Energy transformed from one trophic level to another is

a)

10%

b)

5%

c)

1%

d)

20%

16.

What are detritivores

a)

Detritivores are organisms that feed on other animals

b)
Detritivores are organisms that feed on dead and decaying organic matter.
c)
Detritivores are organisms that feed on rocks.
d)
Detritivores are organisms that feed on living plants.
17.

What is the most abundant element present in plants

a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Hydrogen