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Chemical Bonds

Total questions: 41

Worksheet time: 27mins

Name
Class
Date
1.

What Kind Of Bond Is NaBr ?

a)

It is a nonmetal.

b)

It is a metal.

c)

Ionic Bond

d)

Covalent Bond

2.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
3.
What is a valence electron?
a)
The sum of neutrons and protons.
b)
The # of electrons in the last shell.
c)
A type of bond.
d)
A popular compound.
4.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
5.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
6.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
7.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
8.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
9.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
10.
Atoms that gain electrons become...
a)
negatively charged
b)
positively charged
c)
remain neutrally charged
d)
21
11.
What happens when an atom loses an electron?
a)
It becomes Negatively Charged
b)
It remains neutral because the proton also leaves.
c)
It becomes Positively Charged
d)
It stays the same.
12.
How many valence electrons does calcium have?
a)
2
b)
4
c)
6
d)
7
13.
Which of the following is NOT a property of ionic compounds?
a)
They have very high melting points
b)
They conduct electricity when in solution
c)
They have high boiling points
d)
They are insoluble in water
14.
Ionic compounds are formed when one or more valence electrons are transferred from _____
a)
a nonmetal atom to a metal atom
b)
a nonmetal atom to a nonmetal atom
c)
a metal atom to a nonmetal atom
d)
a metal atom to a metal atom
15.
A covalent bond in which electrons are shared unequally is:
a)
polar
b)
a double bond
c)
ionic
d)
polyatomic
16.
How many valence electrons do most atoms need to be stable?
a)
1
b)
2
c)
6
d)
8
17.
Chlorine is in group 17, so it has ______ valence electrons.
a)
1
b)
7
c)
17
d)
3
18.

What is the key phrase for ionic bonding?

a)

Sharing valence electrons

b)

Sea of electrons

c)

Transferring of valence electrons

d)

There is nothing called an ionic bond

19.

The key phrase for covalent bonds is __________.

a)

Transferring valence electrons

b)

Covalent bonds dont exist

c)

Sharing of valence electrons

d)

Sea of electrons

20.
Magnesium (Mg) and Oxygen (O) form an ________ bond.
a)
Ionic
b)
Covalent
c)
Metallic
d)
Nothing
21.
Calcium (Ca) and 2 chlorine (Cl) atoms make a covalent compound.
a)
True
b)
False
22.
Covalent Compounds have a ________ melting point.
a)
High
b)
Low
23.

Which substance will conduct electricity ?

a)

I2

b)

KI

c)

C3H6O

24.

How are electrons involved in a non polar covalent bond ?

a)

Shared equally

b)

Shared unequally

c)

Transferred (lost & gained)

25.

What is the correct reason for the type of bond formed between Li and O ?

a)

The electronegativity difference is between 0 and 0.4

b)

The electronegativity difference is greater than 0.4 and less than 2

c)

The electronegativity difference is 2 or greater

26.

What is the correct reason for the type of bond formed between C and O ?

a)

The electronegativity difference is between 0 and 0.4

b)

The electronegativity difference is greater than 0.4 and less than 2

c)

The electronegativity difference is 2 or greater

27.

What is the correct reason for the type of bond formed between C and H ?

a)

The electronegativity difference is between 0 and 0.4

b)

The electronegativity difference is greater than 0.4 and less than 2

c)

The electronegativity difference is 2 or greater

28.

Choose the 2 correct statements about metal atoms

a)

Metal atoms gain electrons .

b)

Metal atoms lose electrons

c)

Metal atoms become positive ions

d)

Metal ions become negative ions

29.

Choose the 2 correct statements about nonmetal atoms

a)

Nonmetal atoms gain electrons .

b)

Nonmetal atoms lose electrons

c)

Nonmetal atoms become positive ions

d)

Nonmetal ions become negative ions

30.
Which has the greater EN: 
H or F?
a)
H
b)
F
31.

Which of the following generally applies to the noble gases?

a)

high ionization energy, low electronegativity, high reactivity

b)

high ionization energy, high electronegativity, high reactivity

c)

low electronegativity, low reactivity

32.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
33.
What elements have zero electronegativity?
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
34.
Put these in increasing order:
F, N, B
a)
B < N < F
b)
B < F < N
c)
N < F < B
d)
F < N < B
35.

What type of bond is depicted in the image?

a)

Covalent

b)

Polar Covalent

c)

Ionic

36.

What type of bond is depicted in the image?

a)

Covalent

b)

Polar Covalent

c)

Ionic

37.

What type of bond is depicted in the image?

a)

Covalent

b)

Polar Covalent

c)

Ionic

38.

Measure of the tendency of an atom to attract a bonding pair of electrons is known as...

a)

electronegativity

b)

bond polarity

c)

angular momentum

d)

valence electrons

39.

The difference in electronegativity affects the type of bond will be formed. What type of bond would be formed with a difference of 0.3?

a)

Covalent

b)

Polar Covalent

c)

Ionic

40.

The difference in electronegativity affects the type of bond will be formed. What type of bond would be formed with a difference of 2.0?

a)

Covalent

b)

Polar Covalent

c)

Ionic

41.

The difference in electronegativity affects the type of bond will be formed. What type of bond would be formed with a difference of 0.6?

a)

Covalent

b)

Polar Covalent

c)

Ionic

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