wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 12 Review Bonding

Total questions: 40

Worksheet time: 29mins

Name
Class
Date
1.

In this chemical formula, which number represents the subscript?


3CH4

a)

3

b)

4

2.

In this chemical formula, which number represents the prescript?


6H2O

a)

2

b)

6

3.

How many Hydrogen atoms are present in this formula?


3H20

a)

2

b)

3

c)

5

d)

6

4.

How many Carbon atoms are present in this formula?


2C6H1206

a)

2

b)

6

c)

12

d)

1

5.

How many Silver (Ag) atoms are present in this formula?


3Ag2O3 + Ag

a)

2

b)

3

c)

6

d)

7

6.

The formula for ammonia is NH3. How many ammonia molecules are present in NH3?

a)

1

b)

2

c)

3

d)

4

7.

The formula for rust is Fe2O3.


In order to create rust, there must be ______ iron (Fe) atoms present for every 3 oxygen (O) atoms.

a)

1

b)

2

c)

3

d)

5

8.
Ions are an atom or group of atoms with a...?
a)
electrical charge
b)
isotope
c)
proton
d)
lots of space in an atom
9.
Do you count the neutrons when determining the charge?
a)
No, they stay neutral
b)
Yes, they are counted
10.
When the number of protons and the number of electrons are equal, the atom is.....?
a)
neutral because they balance each other
b)
negative because they are unequal
c)
positive because they are unequal
11.

Cations are any ion that has a.....?

a)

neutral charge

b)

positive charge

c)

negative charge

12.

_____ tells us what elements are present and how many there are.

a)

Periodic table

b)

Prescript

c)

Subscript

d)

Chemical formula

13.

______ tells how many atoms of an element are present in a molecule.

a)

Prescript

b)

Subscript

c)

Periodic table

d)

Chemical formula

14.

______ tells how many molecules are present.

a)

Prescript

b)

Subscript

c)

Periodic table

d)

Chemical formula

15.

Use the periodic table to determine the ion formed by Kr

a)

+1

b)

+2

c)

0

d)

-1

e)

-2

16.

Use the periodic table to determine the ion formed by Ca

a)

+1

b)

+2

c)

0

d)

-1

e)

-2

17.

Use the periodic table to determine the ion formed by Se

a)

+1

b)

+2

c)

0

d)

-1

e)

-2

18.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
19.
Nitrogen will form which of the following ions?
a)
N
b)
N-3
c)
N-5
d)
N+5
20.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
21.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
22.
What determines how ionic bonds will form?
a)
Number of protons
b)
Mass of the atom
c)
Number of total electrons
d)
Number of valence electrons
23.

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 make the outermost energy level stable

24.

An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?

a)

Gain 5

b)

Lose 3

c)

Nothing

25.

How do covalent bonds form?

a)

By donating and receiving valence electrons between atoms.

b)

Scientists still aren't sure.

c)

Opposite slight charges attract each atom in the compound.

d)

Sharing valence electrons between atoms

26.

What two types of atoms make a covalent bond?

a)

2 Nonmetals

b)

1 Metal and 1 Nonmetal

c)

2 Metals

d)

2 Noble Gases

27.

Covalent compounds can have

a)

Single Bonds

b)

Double Bonds

c)

Triple Bonds

d)

All the above

28.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

29.
Which type of bond has one pair of electrons shared between atoms?
a)
ionic
b)
single covalent
c)
metallic
d)
double covalent
30.
Which is described as the force holding atoms together?
a)
formula unit
b)
cation
c)
lattice
d)
chemical bond
31.

How many single covalent bonds can carbon form?

a)

2

b)

1

c)

4

d)

3

32.
How many single covalent bonds can halogens form?
a)
4
b)
3
c)
1
d)
2
33.
Which is the most important characteristic in determining an element's chemical properties?
a)
the number of protons and neutrons in its nucleus
b)
which period it is found in
c)
the number of valence electrons it contains
d)
its outermost energy level
34.
When a chemical bond is formed, the constituent atoms acquire the stable valence electron configuration of noble gases, which is referred to as a(n)...
a)
pentet
b)
octet
c)
octagon
d)
noble gas bond
35.
Which of the following is NOT formed by a covalent bond?
a)
K2S
b)
H2O
c)
I2
d)
CO2
36.
Which of the following describes the strength of a covalent bond?
a)
Middle - Each atom shares an octet
b)
Middle - One atom gains an octet & the other loses.
c)
Weakest - it only forms because of another bond forming
d)
Strongest - each atom receives a "permanent" octet.
37.
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
38.
What type of bond is shown in this image?
a)
Ionic
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals Force
39.
Diatomic elements are defined as IDENTICAL elements that bond with each other (i.e. Oxygen with Oxygen).  What type of bond should they form?
a)
Ionic
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals force
40.
Which of the following is NOT considered a diatomic element?
a)
Carbon
b)
Nitrogen
c)
Chlorine
d)
Iodine

Similar Resources on Wayground

UNIT 4 REVIEW

38 questions

UNIT 4 REVIEW

quiz

Worksheet

•

9th - 12th Grade

Elements, compounds and mixtures

42 questions

Elements, compounds and mixtures

quiz

Worksheet

•

6th - 8th Grade

Unit 2 part 1

36 questions

Unit 2 part 1

quiz

Worksheet

•

8th Grade

History of the Atom

38 questions

History of the Atom

quiz

Worksheet

•

9th - 12th Grade

Naming and Writing Compounds

35 questions

Naming and Writing Compounds

quiz

Worksheet

•

8th - 12th Grade

Chemical Reactions by Schott

41 questions

Chemical Reactions by Schott

quiz

Worksheet

•

7th - 9th Grade

Pre Test Basic Chemistry

36 questions

Pre Test Basic Chemistry

quiz

Worksheet

•

9th - 12th Grade

1WZ - Chem Review

37 questions

1WZ - Chem Review

quiz

Worksheet

•

9th Grade