wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemical Bonding

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Why do all bonds form?

a)

To fill up the outer shell.

b)

To achieve the one or duplet electronic configuration

2.

An atom with 1 valence electron 'needs' a full shell, so it can either gain 7 electrons or lose 1. Which is more likely to occur?

a)

lose 1 electron

b)

gain 7 electrons

3.

What two types of atoms make a covalent bond?

a)

metal atom and metal atom

b)

metal atom and non metal non atom

c)

non metal atom and non metal atom

4.

When an atom loses an electron, it becomes a _________.

a)

noble gas

b)

anion

c)

cation

5.

Atoms are most stable when their outer shell is full or complete.

a)

True

b)

False

6.

Atoms involved in a covalent bond are not charged, while atoms involved in an ionic bond are charged (negative or positive)

a)

True

b)

False

7.

What part of an atom is involved in chemical bonding?

a)

proton

b)

neutron

c)

electron

8.

How many valence electrons does hydrogen have?

a)

1

b)

2

c)

3

d)

4

9.

Low melting point and low solubility in water are general properties of ______________________ compounds

a)

ionic

b)

covalent

c)

all

10.

Where are the non-metals located on the periodic table?

a)

all over

b)

On the left side of the "staircase"

c)

On the right side of the "staircase"

11.

Predict the bond that is formed between Phosophorus and Chlorine?

a)

Ionic

b)

Covalent

c)

Metallic

d)

H-bond

12.

Which of the pair of elements form an ionic bond?

a)

Magnesium and Oxygen

b)

Magnesium and Sodium

c)

Iron and Zinc

d)

Nitrogen and Hydrogen

13.

How many valence electrons are shown in the diagram?

a)

16

b)

7

c)

6

d)

2

14.

TRUE OR FALSE: Ionic compounds have high boiling points because they consist of a strong ionic bond.

a)

TRUE

b)

FALSE

15.
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.
16.

Examine the image: How many bonds are formed looking at the model of the compound? And also indetify what type of bond is formed.

a)

2 bonds; covalent

b)

4 bonds; metallic

c)

2 bonds; ionic

d)

4 bonds; covalent

17.

Which of the following is true for ionic bonding & ionic compounds?

a)

They must be made of ions with like charges.

b)

The negative ion must be written first.

c)

Compounds must have an overall charge of zero.

d)

They are made of metals and nonmetals.

e)

The positive ion must be written first.

18.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Linear
19.
Choose the correct shape for this molecule:
a)
Bent
b)
Trigonal pyramidal
c)
Trigonal planar
d)
Linear
20.
Choose the correct shape for this molecule:
a)
linear
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
21.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
22.
How many electrons should Oxygen have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
23.
 A lone pair is defined as
a)
A pair of bonding electrons
b)
One non-bonding electron
c)
A pair of non-bonding electrons
d)
A pair of electrons on the central atom
24.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
25.
Choose the correct shape for this molecule:
a)
Bent
b)
Linear
c)
Tetrahedral
d)
Trigonal pyramidal
26.

Which best describes a triple bond?

a)

3 shared pairs of electrons

b)

3 shared electrons

c)

a central electron with 3 atoms bonded around it

27.
According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?
a)
Pairs of valence electrons
b)
Inner shell electrons
c)
Mobile Electrons
d)
Electrons closest to the nucleus
28.

What is MOLECULAR GEOMETRY of this molecule?

a)

Trigonal Pyramidal

b)

T-Shaped

c)

Square Pyramidal

d)

Octahedral

29.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

T-Shaped

c)

Square Pyramidal

d)

Octahedral

30.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

See-saw

c)

Square Planar

d)

Octahedral