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Worksheets

Writing and Naming Chemical Compounds

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

What is the name of the compound with chemical formula FeCl?

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

2.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

lead + oxygen 

3.

What is the name of the compound Na2SO4?

a)

sodium sulfate

b)

sodium sulfide

c)

sodium sulfite

d)

Sodium sulfuroxide

4.

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

a)

covalent

b)

ionic

c)

cooperative

d)

lewis

5.

When naming binary ionic compounds, you change the ending of the second element to ___.

a)

-ate

b)

-ite

c)

-ide

d)

-ine

6.

What is the formula for magnesium carbonate?

a)

MgCO3

b)

Mg(CO3)2

c)

Mg2CO6

d)

Mg2CO3

7.

What is the correct formula for potassium sulfite?

a)

KHSO3

b)

KHSO4

c)

K2SO3

d)

K2SO4

8.

Which of the following compounds contains the lead(II) ion?

a)

PbO

b)

PbCl4

c)

Pb2O

d)

Pb2S

9.

What is the name of H2SO3?

a)

hyposulfuric acid

b)

hydrosulfuric acid

c)

sulfuric acid

d)

sulfurous acid

10.

What is the correct name for the compound CoCl2?

a)

cobalt(I) chlorate

b)

cobalt(I) chloride

c)

cobalt(II) chlorate

d)

cobalt(II) chloride

11.

What is the correct formula for barium chlorate?

a)

Ba(ClO)2

b)

Ba(ClO2)2

c)

Ba(ClO3)2

d)

BaCl2

12.

Consider a mystery compound having the formula MxTy. If the compound is not an acid, if it contains only two elements, and if M is not a metal, which of the following is true about the compound?

a)

It contains a polyatomic ion.

b)

Its name ends in -ite or -ate.

c)

Its name ends in -ic.

d)

It is a binary molecular compound.

13.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
14.

 What is Li2O?

a)

Dilithium oxide

b)
Lithium oxide
c)
Lithium dioxide
d)

Lithium trioxide

15.
What is the formula for magnesium phosphide?
a)
Mg3P2
b)
Mg2P3
c)
Mg2PO3
d)
Mg3(PO3)2
16.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
17.
What is the charge on the simple (single atom) ion that sulfur forms?
a)
1-
b)
2+
c)
3+
d)
2-
18.
What is the formula for the compound formed by magnesium ions and nitrogen ions?
a)
MgN
b)
Mg2N3
c)
Mg3N2
d)
MgN3
19.
What is the element/ion symbol for Iron(III)?
a)
Fe
b)
Fe3+
c)
Fe3-
d)
Fe(III)
20.
What is the formula for manganese(III) oxide?
a)
MgO
b)
Mg2O3
c)
MnO
d)
Mn2O3