wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 2 test

Total questions: 82

Worksheet time: 49mins

Name
Class
Date
1.

Match the following types of bonds with their descriptions.

a)

Triple Bond

1.

Three pairs of electrons being shared

b)

Three Single Bonds

2.

Three separate bonds each sharing one pair of electrons

c)

Tribond

3.

A fictional term for a bond

d)

Double and Single Bond Combo

4.

A combination of one double bond and one single bond

2.

Which of the following is the best representation of a molecule of fluorine (F2)?

a)

A

b)

B

c)

C

d)

D

3.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal & 1 Metal
c)
2 Metals
d)
2 Noble Gases
4.

Which formula is for phosphorus trichloride?

a)

KCl3

b)

PCl3

c)

K3Cl

d)

P3Cl

5.

Silicon dioxide is the compound in sand. What is its formula?

a)

SO2

b)

NaO2

c)

SiO2

d)

SiO

6.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
7.

What is the formula for diphosphorus pentoxide?

a)

P2O5

b)

PO5

c)

P5O2

d)

P2O6

8.

The electrons in a polar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

9.

In a polar covalent bond, the electrons gather around...

a)

The atom with the Greatest Electronegativity

b)

The atom with the Lowest Electronegativity

c)

Each atom Equally

d)

None of the Above

10.

The polarity of a bond is determined by...

a)

The sum of the electronegativities of the two atoms

b)

The difference in the electronegativities of the two atoms

c)

The charges of the atoms

d)

None of the Above

11.

What must the difference in electronegativity between two atoms be in order for the bond between them to be nonpolar covalent?

a)

less than 0.4

b)

greater than 1.7

c)

between 0.4 and 1.7

d)

exactly 0

12.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

13.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

14.

In an ionic bond, the ions are held together because...

a)

the positive nucleus of each ion attracts the other ion's negatively charged electrons

b)

the ions have opposite charges

c)

as the electron moved from one atom to another it pulled the atom along with it

d)

electrons are being shared

15.

Which of the following could form an ionic compound? Check all that apply.

a)

Na+ and F-

b)

S2- and O2-

c)

Ca2+ and Fe3+

d)

Mg2+ and Cl-

16.

Which element(s) will lose valence electrons to form an ion? Check all that apply.

a)

Phosphorus

b)

Iron

c)

Barium

d)

Neon

17.

Which element(s) will form negative ions? Check all that apply.

a)

Potassium

b)

Sulfur

c)

Iodine

d)

Magnesium

18.

Which of the following pairs of elements could NOT react to form an ionic compound?

a)

Carbon and Oxygen

b)

Potassium and Fluorine

c)

Silver and Oxygen

d)

Aluminum and Chlorine

19.

Atoms form ions because they want to have a (a)   outer shell.

20.

Oxygen is in group 6 of the periodic table, which ion would it form?

a)

O-

b)

O+

c)

O2-

d)

O2+

21.

Lead Chloride is an ionic compound, made up from Pb2+ ions and Cl- ions. Which is the correct formula for this compound?

a)

PbCl3

b)

PbCl

c)

PbCl4

d)

PbCl2

22.

Magnesium Hydroxide is an ionic compound made up from Mg2+ and OH- ions. Which is its correct formula?

a)

MgOH

b)

MgOH2

c)

Mg(OH)2

d)

MgO

23.

Ions are charged particles.

a)

True

b)

False

24.

What type of elements form cations?

a)

metals

b)

nonmetals

c)

metalloids?

25.

Which of the following will form a cation?

a)

Barium

b)

Phosphorous

c)

Tellurium

d)

Selenium

26.
If an atom has 3 valence electrons, what charge will it have as an ion?
a)
+3
b)
-3
c)
+5
d)
-5
27.

If an atom gains 3 electrons, it will have a charge of (a)   as an ion.

Choose from the below words
+3
-3
+5
-5
28.
If an atom has 1 valence electrons, what charge will it have when it becomes an ion? 
a)
+1
b)
-1
c)
+7
d)
-7
29.
If an element gains 2 electrons, what charge will it have when it becomes an ion?
a)
+2
b)
-2
c)
-6
d)
-6
30.

A Sulfur atom has (a)   valence electrons.

Choose from the below words
2
4
6
7
31.

Charge of Ga ion

a)

+2

b)

+1

c)

+3

d)

+4

32.

Charge of S ion

a)

-2

b)

+6

c)

-1

d)

-3

33.

Charge of Br ion

a)

+1

b)

-1

c)

+7

d)

0

34.

When ions are negative, they change their ending to ____.

a)

ide

b)

ate

c)

ote

d)

ion

35.

Charge of transition metals

a)

+1

b)

varies

c)

+2

d)

-2

36.

The formula for Copper (1) Sulfide is...

a)

Cu1S2

b)

CuS

c)

Cu1S

d)

Cu2S

37.

The formula for Chromium (III) Selenide is...

a)

Cr2Se3

b)

Cr3Se2

c)

Cr3S

d)

CrS

38.

The charge on Tin (II) Oxide is...

a)

2+

b)

2-

c)

0

d)

1+

39.

Only polar molecules with H-F, H-N, or H-O bonds feel this kind of Intermolecular forces

a)

Hydrogen Bonding

b)

Dipole-dipole forces

c)

London dispersion forces

40.

What is the basis of hydrogen bond?

a)

Attraction forces between hydrogen atom bonded with another hydrogen atom

b)

Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N)

c)

Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule

d)

Attraction forces between hydrogen atom with another hydrogen atom of another molecule

41.

Which type of intermolecular force is the strongest?

a)

Hydrogen bonding

b)

Dipole-dipole forces

c)

London dispersion forces

42.

The molecular formula below which shown the alkanes compound is ….

a)

C2H4

b)

C3H7

c)

C4H10

d)

C5H8

43.
The first member of the alkene series is methene.
a)
True
b)
False
44.
General formula of Alkene is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
45.

If an alkene has 20 carbon atoms, how many hydrogen atoms will it have?

a)

20

b)

22

c)

40

d)

42

46.

The following compounds are alkanes EXCEPT (a)  

Choose from the below words
C5H12
C6H12
C7H8
C7H14
47.
What is the general formula of the alkynes?
a)
CnH2n+1
b)
CnH2n+2
c)
CnH2n-1
d)
CnH2n-2
48.

Name this molecule

C3H6

a)

Propane

b)

Propene

c)

Butene

d)

Butane

49.
Which has the greater EN: 
H or F?
a)
H
b)
F
50.
Which has the greater EN: 
Cl or Al?
a)
Cl
b)
Al
51.

Match the following bond types with their electronegativity differences.

a)

less than 0.4

1.

Non-polar covalent bond

b)

greater than 1.7

2.

Ionic bond

c)

between 0.4 and 1.7

3.

Polar covalent bond

d)

exactly 0

4.

Pure covalent bond

52.

What must the difference in electronegativity between two atoms be in order for the bond between them to be nonpolar covalent?

a)

less than 0.4

b)

greater than 1.7

c)

between 0.4 and 1.7

d)

exactly 0

53.
The electronegativity difference in the bonds of CH4 (methane) is:
a)
0.4
b)
5.9
c)
-0.4
d)
1.7
54.
Question Image

Match the following types of atoms with the type of bond they form.

a)

2 Nonmetals

1.

Covalent bond

b)

1 Nonmetal and 1 Metal

2.

Ionic bond

c)

2 Metals

3.

Metallic bond

d)

2 Noble Gases

4.

No bond

55.

Which of the following elements is most likely to form an anion?

a)

Sodium

b)

Chlorine

c)

Calcium

d)

Aluminum

56.

What type of bond is formed when electrons are shared equally between two atoms?

a)

Ionic bond

b)

Polar covalent bond

c)

Nonpolar covalent bond

d)

Metallic bond

57.

What is PO4-3

(a)  

58.

Name the polyatomic ion: CO3-2

(a)  

59.

What charge does an atom have when it GAINS electrons?

a)

Positive

b)

Negative

c)

Neutral

60.

Anions are (a)   and formed by (b)   electrons.

Choose from the below words
negative, gaining
negative, losing
PAWWWSITIVE, gaining
PAWWWSITIVE, losing
61.

Cations are ______ and formed by ______ electrons.

a)

PAWWWSITIVE, gaining

b)

PAWWWSITIVE, losing

c)

negative, gaining

d)

negative, losing

62.

Chlorite has one less oxygen then chlorate

a)

True

b)

False

63.

AsO4 3-

a)

acetate

b)

arsenite

c)

arsenate

d)

arsenide

64.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
65.
What is the name of H3PO4? (This molecule makes the slightly tangy taste in sodas)
a)
Hydrogen Phosphate
b)
Trihydrogen Phosphate
c)
Phosphoric Acid
d)
Triple Hydrogen PhosphoOxoPlutonide!!!
66.
What is the name of AgNO3? (hard mode)
a)
Silver Nitrate
b)
Silver Mononitrate
c)
Silver (I) Nitrate
d)
Monosilver Nitrate
67.
Partial charges like the ones shown here are called:
a)
dipoles
b)
deltas
c)
ions
d)
magnetic poles
68.
Which molecule contains bonds of GREATER polarity?
a)
H2O
b)
OF2
69.

The molecule that contains bonds with a GREATER polarity is (a)   .

Choose from the below words
HCl
CCl4
70.
A bond with a partially negative end and a partially positive end is:
a)
ionic
b)
polar
c)
non-polar
d)
isometric
71.
A diatomic molecule like O2 is always_______ because electrons are shared ________.
a)
nonpolar; equally
b)
polar; equally
c)
nonpolar; unequally
d)
nonpolar; unequally
72.

Which of the following molecules will have two partially-positive charged atoms?

a)

CO2

b)

PH3

c)

H2O

d)

C2H4

73.

Gallium and Selenium will form a(n) _____ bond

a)

Polar Covalent

b)

Nonpolar Covalent

c)

Ionic

74.

Manganese and Oxygen will form a(n) _____ bond

a)

Polar Covalent

b)

Nonpolar Covalent

c)

Ionic

75.

Sulfur and Oxygen (SO) will form a(n) _____ bond

a)

Polar Covalent

b)

Nonpolar Covalent

c)

Ionic

76.

Lithium and Oxygen will form a(n) _____ bond

a)

Polar Covalent

b)

Nonpolar Covalent

c)

Ionic

77.

Which of the following represents a polar molecule?

a)

H2

b)

H2O

c)

CH4

d)

CSe2

78.

Which of the following represents a nonpolar molecule?

a)

KCl

b)

Cl2

c)

HF

d)

CO2

79.
In covalent bonding, electrons are
a)
shared
b)
transferred
c)
wiped out
80.

Which of the following bonds is the most polar?

a)

F-H

b)

C-H

c)

O-H

d)

N-H

81.

What type of bond is formed when two atoms share electrons equally?

a)

Metallic bond

b)

Ionic bond

c)

Nonpolar covalent bond

d)

Polar covalent bond

82.

Which of the following molecules is nonpolar despite having polar bonds?

a)

CH3Cl

b)

NH3

c)

CO2

d)

H2O

Similar Resources on Wayground

Primary and Secondary succession

85 questions

Primary and Secondary succession

quiz

Worksheet

•

9th Grade

Safety Symbols

81 questions

Safety Symbols

quiz

Worksheet

•

10th Grade

Chapter 4: Planets

84 questions

Chapter 4: Planets

quiz

Worksheet

•

9th - 12th Grade

Science Lab Safety

80 questions

Science Lab Safety

quiz

Worksheet

•

8th - 11th Grade

Mitosis

80 questions

Mitosis

quiz

Worksheet

•

9th - 12th Grade

Unit 5 CB

81 questions

Unit 5 CB

quiz

Worksheet

•

10th - 12th Grade

Environmental Chemistry Unit Review

83 questions

Environmental Chemistry Unit Review

quiz

Worksheet

•

9th Grade