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6.1 Types of Chemical Bonds

Total questions: 51

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Label the image using the correct labels

a)ionic bond
b)covalent bond
c)coefficient
d)subscript
e)metal
f)Non-metal
1
2
3
4
1)
2)
3)
4)
2.

Which of the following is NOT an example of covalent bonding?

a)

H2O

b)

NaF

c)

NH3

d)

O2

3.

Which formula represents a substance that contains a covalent bonds?

a)

LiCl

b)

CaCl2

c)

K2O

d)

CO2

4.

Which pair of atoms will combine with each other and form an ionic bond?

a)

C and O

b)

B and H

c)

Ca and Mg

d)

Ca and Br

5.

Which element is likely to gain electrons in a chemical reaction?

a)

Kr

b)

K

c)

Br

d)

Ca

6.

Magnesium is a group 2 element. When it bonds with a nonmetal in group 16 what will the superscript be and what does it mean?

a)

+2; meaning it has gained electrons

b)

-2; meaning it has gained electrons

c)

+2; meaning it has lost electrons

d)

-2; meaning it has lost electrons

7.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
8.
Which of the following is ionic?
a)
NO2
b)
MgO
c)
CO
d)
CH4
9.
If an atom has 7 protons and 7 electrons what charge will it have?
a)
-2
b)
-1
c)
0
d)
+2
10.

Which of the following atoms is most likely to bond with another atom?

a)
b)
c)
d)
11.
Predict the bond that will form between Sr and S.
a)
Ionic
b)
Covalent
12.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
13.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
14.

The octet rules states that most elements want to have _____ valence electrons.

a)

2

b)

4

c)

6

d)

8

15.

If carbon lost 4 electrons what would its charge be?

(type your answer as a number with a minus for negative - and a plus sign for positive +)

(a)  

16.

If an atom losses a negative electron it becomes more

a)

negative

b)

positive

c)

neutral

17.

If carbon gained 4 electrons what would its charge be?

(type your answer as a number with a minus for negative - and a plus sign for positive +)

(a)  

18.

If an atom gains a negative electron it becomes more

a)

negative

b)

positive

c)

neutral

19.
What kind of bond forms when atoms exchange electrons?
a)
ionic
b)
covalent
c)
artificial
d)
univalent
20.

A covalent Bond is which of the following

a)

Between non-metal & non-metal

b)

Shares electrons

c)

Between Metal & Non-metals

d)

Forms multiple bonds

e)

Forms between opposite charges

21.

An Ionic Bond is which of the following

a)

Loses or gains electrons

b)

Shares electrons

c)

Between metal & Non-metals

d)

Forms multiple bonds

e)

Forms between opposite charges

22.
If an atom gains two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
23.

A bond between two nonmetal atoms is a __________ bond.

a)

ionic

b)

nuclear

c)

metallic

d)

covalent

24.

Which of the following is NOT a covalent bond?

a)

K2S

b)

H2O

c)

I2

d)

CO2

25.

Which of the following describes covalent bonds?

a)

Bonds form because of opposite charges

b)

electrons are shared to fill outer electron shells

c)

Electrons are transferred between atoms

d)

Covalent bonds are magical

26.
What is the name for an ion with a negative charge?
a)
cation
b)
anion
c)
onion
d)
union
27.

Which compound has high melting point?

a)

Ionic

b)

Covalent

28.

Which of the following is NOT an ionic bond?

a)

NH3

b)

KCl

c)

K3N

d)

NaCl

29.
An ionic bond forms when atoms ___________ electrons.
a)
gain
b)
share
c)
increase
d)
transfer
30.

What happens when two oppositely charged ions are pushed together?

a)

they will repel (move apart)

b)

they will be attracted to each other (move together)

31.
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.
32.
What is the name for an ion with a positive charge?
a)
cation
b)
anion
c)
onion
d)
union
33.

For nonmetals, its easier to _____ electrons to have a full outer shell.

a)

gain

b)

lose

c)

share

34.
In a covalent bond, one or more electrons are? 
a)
shared 
b)
lost 
c)
gained 
d)
transferred 
35.

Nonmetals are located to the _____ of the stair-step line, on the periodic table.

a)

right (except for H)

b)

left (except for He)

36.

Which of the following is the reason why atoms of sodium and chlorine attract each other in a salt crystal?

a)

Sodium has a positive charge and chlorine has a negative charge

b)

Sodium has a negative charge and chlorine has a positive charge

c)

Both have a positive charge

d)

Both have a negative charge

37.

Cations are ions with _________ charge.

a)

positive

b)

negative

c)

gains

d)

loses

38.

Cations are formed when an atom __________ electrons.

a)

positive

b)

negative

c)

gains

d)

loses

39.

Anions are ions with a ___________ charge.

a)

positive

b)

negative

c)

gains

d)

loses

40.

Anions are formed when an atom __________ electrons.

a)

positive

b)

negative

c)

gains

d)

loses

41.

____________ compounds are usually solid at room temperature and form a crystal structure.

a)

Ionic

b)

Covalent

c)

Molecule

d)

Solid

42.

This atom will

a)

lose 2 electrons

b)

gain 2 electrons

c)

lose 6 electrons

d)

gain 6 electrons

e)

do nothing

43.
A _______ is a charged particle because it has more or fewer electrons than protons.  When an atom _____ an electron, it becomes a positively charged ion.  When an atom ____an electron, it becomes a negatively charged ion.
a)
isotope, gains, loses
b)
isotope, loses, gains
c)
ion, loses, gains
d)
ion, gains, loses
44.

This atom will

a)

lose 1 electron

b)

gain 1 electron

c)

lose 7 electrons

d)

gain 7 electrons

e)

do nothing

45.

What group will rarely form compounds because they are stable atoms?

a)

18

b)

1

c)

2

d)

17

46.

Groups 1, 2 and 13 on the periodic table contain elements with atoms that lose valence electrons and become _____ charged.

a)

equally

b)

negatively

c)

positively

d)

neutrally

47.

What type of ion will Calcium become when it goes through an ionic bond? Calcium is in group 2.

a)

+2

b)

-2

c)

+12

d)

-12

48.

Which ion will nitrogen become when it goes through an ionic bond? It is in group 15.

a)

+5

b)

+3

c)

-5

d)

-3

49.

On the periodic table, carbon is in group 14, period 2. How many valence electrons does carbon have?

a)

6

b)

14

c)

2

d)

4

50.

Which of the following is an ion?

a)

Na

b)

C

c)

O

d)

Na+1

51.

What is the octet rule?

a)

it states atoms need to be happy

b)

it states atoms need 8 valence electrons to be stable

c)

it states atoms need 6 valence electrons to be stable

d)

it states atoms need to share electrons to be stable

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