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Ionic and Molecular Compounds: Formulas and Naming

Total questions: 61

Worksheet time: 46mins

Name
Class
Date
1.

A binary compound is composed of two ..........................

a)

elements

b)

compounds

c)

mixtures

2.

Binary compounds can be ionic compounds or molecular compounds.

a)

True

b)

False

3.

The formula for this binary ionic compounds

Aluminum oxide is

a)

Al2O3

b)

Al3O2

c)

Al O

4.

The formula for this binary ionic compounds

Mercury(I) sulfide is

a)

Hg2S2

b)

Hg1S2

c)

Hg2S

5.

The formula for this binary ionic compounds

Aluminum phosphide is

a)

Al P

b)

Al3P3

c)

Al3F3

6.

The formula of the compound formed from Ba2+ Cl-

a)

Ba Cl2

b)

Ba-1 Cl+2

c)

Ba2 Cl1

7.

To name any binary ionic compound, place the anion name first, followed by the cation name.

a)

True

b)

False

8.

The formula of the compound formed from Na+ N3-

a)

Na+N3-

b)

Na3- N1+

c)

Na3N

9.

If the metallic element in a binary ionic compound has more than one common ionic charge, a Roman numeral must be included in the cation name.

a)

True

b)

False

10.

Name the following binary ionic compounds.

Cu O

a)

Copper oxide

b)

Copper (I) oxide

c)

Copper(II) oxide

11.

Name the following binary ionic compounds.

K3 P

a)

Potassium phosphide.

b)

Krypton phosphide.

c)

Potassium tri phosphide

12.

Name the following binary ionic compounds.

Fe O

a)

Iron oxide.

b)

Iron(II) Oxide

c)

Iron(III) Oxide

13.

Whenever more than one polyatomic ion is needed to balance the charges in an ionic compound, use parentheses to set off the polyatomic ion in the formula.

a)

True

b)

False

14.

What are the formulas for this ionic compound.

Calcium sulfate

a)

Ca SO4

b)

Ca (SO4)2

c)

Ca2 (SO4)2

15.

Name the following ionic compound

(NH4)2SO3

a)

Ammonium sulfate

b)

Ammonium sulfite

c)

Diammonium sulfate

16.

Name the following ionic compound

Li2HSO4

a)

Lithium hydrogen sulfate

b)

Lithium sulfate

c)

Dilithium hydrogen sulfate

17.

Name the following ionic compound

Cr(NO3)3

a)

Chromium(III) nitrate

b)

Chromium(III) trinitrate

c)

Chromium(III) nitrite

18.

When metals bond with non-metals they form what type of bonds

a)

molecular

b)

ionic

c)

cooperative

d)

lewis

19.
The chemical formula of carbon tetrachloride is
a)
CCl
b)
C₄Cl
c)
CCl₄
d)
C(IV)Cl
20.
carbon monoxide
a)
CO
b)
CO2
c)
C2O
d)
COH
21.
Classify: 
sulfur dioxide, SO2
a)
ionic compound
b)
molecular compound
c)
metallic element
d)
non-metallic element
22.
What types of elements combine to form a molecular compound?
a)
two or more metals
b)
two or more different nonmetals
c)
a metal and a non-metal
d)
two of the same nonmetal
23.
The chemical formula of dinitrogen textroxide is
a)
Ni₂O₄
b)
NiO
c)
N₂O₄
d)
NiO₂
24.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
25.
Which of these compounds is ionic? 
a)
Carbon dioxide
b)
Dinitrogen Trioxide
c)
Silicon tetrachloride
d)
Lithium bromide
26.

This is an image of platinum (IV) oxide. Which is the correct formula for this compound?

a)

PtO2

b)

Pt2O4

c)

Pt4O2

d)

PTO2

27.

Which of the following is NOT a molecular compound?

a)

SF6

b)

CaO

c)

N2O5

d)

NH3

28.

Name the compound: (NH4)2S

a)

ammonium sulfide

b)

nitrogen tetrahydrogen sulfide

c)

diammounium sulfate

d)

ammonium sulfate

29.

Name the compound: Cu(NO3)2

a)

copper nitrate

b)

copper(II) nitrate

c)

copper(II) dinitrate

d)

copper dinitrogen hepaoxide

30.

Name the compound: SO3

a)

sulfur trioxide

b)

sulfite ion

c)

sulfur oxide

d)

sodium trioxide

31.

Write the formula: iodine heptafluoride

a)

IF7

b)

I2F14

c)

IHF7

d)

IF6

32.

Write the formula: nitrogen trichloride

a)

NCl3

b)

N1Cl3

c)

N1Cl5

d)

Cl3N

33.

Write the formula: beryllium oxide

a)

BO

b)

BeO

c)

BeO2

d)

BO2

34.

What is the name of the compound Sc(OH)3?

a)

Scandium (III) hydroxide

b)

Scandium (I) hydroxide

c)

Scandium (II) hydroxide

d)

Scandium hydroxide

35.

If I gain electrons I become

a)

Positive because I've added to my atom

b)

negative because I've added electrons

c)

same because i'm balanced

d)

equal because now I have electrons

36.

By looking at the formula of an ionic compound, we can determine the charge (oxidation state) of a transition metal.

a)

True

b)

False

37.

How many Oxygen atoms are in H2O?

a)

1

b)

2

c)

0

d)

4

38.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
39.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
40.

 MoPO3MoPO_3  

a)

molybdenum (III) phosphite

b)

molybdenum (II) phosphite

c)

molybdenum (I) phosphite

d)

molybdenum phosphite

41.

 AgBrAgBr  

a)

silver bromide

b)

silver (I) bromide

c)

silver (II) bromide

d)

silver (IV) bromide

42.

 V2S3V_2S_3  

a)

vanadium (II) sulfide

b)

vanadium (III) sulfide

c)

vanadium (II) sulfate

d)

vanadium (III) sulfate

43.

Monatomic ions, consist of a ............... atom

a)

More than two

b)

two

c)

single

44.

What is the name of HgS

(a)  

45.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
46.
What is the total number of atoms in this molecule?
a)
11
b)
3
c)
8
d)
10
47.

Which element has the greatest number of atoms?  AgNO3AgNO_3  

a)

Silver

b)

Gold

c)

Nitrogen

d)

Oxygen

48.

H2SO4

a)

H = 2, S = 4, O = 4

b)

H = 2, S = 1, O = 4

c)

H = 8, S = 4, O = 4

d)

H = 2, SO = 4

49.
Prefixes are used only for _______________ compounds
a)
Ionic
b)
covalent
50.
CH4 is a(n)
a)
ionic compound
b)
molecular compound
51.
NaCl is a(n) 
a)
ionic compound
b)
molecular compound
52.
What is the charge on the hydroxide ion?
a)
0
b)
-1
c)
-2
d)
-3
53.
In most cases, when naming you change the ending of the second element to ________.
a)
-ate.
b)
-ite.
c)
-ide.
d)
-ine.
54.
Disulfur trioxide
a)
S3O2
b)
SO
c)
S2O3
d)
S2O
55.

What does the subscript in a chemical formula indicate?

a)

the number of atoms for that element

b)

the mass of that element

c)

the number of valence electrons for that element

d)

the state of the compound

56.

PbO2 - Molecular or Ionic?

a)

Molecular

b)

Ionic

57.

NCl3 - Molecular or Ionic?

a)

Molecular

b)

Ionic

58.

What's the chemical formula for tetra phosphorus dihydride?

(a)  

59.

What's the chemical formula for sulfur octoxide?

(a)  

60.

What's the correct chemical formula for pentaboron nonaahydride?

(a)  

61.
Which following is a nonmetal?
a)
Se
b)
Mn
c)
Na
d)
Be

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