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Names and formuls

Total questions: 28

Worksheet time: 35mins

Name
Class
Date
1.

The correct name for CaBr2 is

a)

calcium dibromide

b)

calcium (II) bromide

c)

calcium bromide

d)

carbon bromide

2.

The correct name for P2O5 is

a)

potassium oxide

b)

dipotassium pentoxide

c)

diphosphorus pentoxide

d)

phosphorus oxide

3.

The correct name of Fe2(CO3)3 is

a)

iron carbonate

b)

Iron (II) carbonate

c)

diiron tricarbonate

d)

Iron (III) carbonate

4.

The name of the compound Mg3(PO4)2 is

a)

magnesium phosphate

b)

magnesium phosphite

c)

trimagnesium diphosphate

d)

magnesium (III) phosphate

5.

The formula for sulfur hexafluoride is

a)

S6F

b)

SF6

c)

SuF5

d)

SFl6

6.
What is the correct formula for Calcium Oxide?
a)
CaO
b)
CaO2
c)
N
Ca2O
d)
Ca2O2
7.
What is the correct formula for Sodium Oxide?
a)
NaO
b)
NaO2
c)
Na2O
d)
Na2O2
8.
Al +3  and  P -3
a)
Al3P3
b)
AlP
c)
P3Al3
d)
Pal
9.
Al +3  and  Cl-
a)
AlCl3
b)
Al3Cl
c)
AlCl
d)
Cl3Al
10.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
11.
CaI2
a)
calcium diodide
b)
calcium iodide
c)
calcium iodate
d)
calcium iodine
12.
LiBr is called
a)
lithium bromine
b)
lithium (I) bromine
c)
lithium bromide
d)
lithuim (I) bromide
13.
The correct formula for magnesium oxide is 
a)
Mg2O
b)
MgO
c)
MgO2
d)
Mg2O3
14.
How many elements are in H2O?
a)
1
b)
2
c)
3
d)
4
15.
How many different elements are represented in the compound?
C13H9N
a)
2
b)
3
c)
1
d)
4
16.
How many different elements are represented in the compound?
(ZnOH)2SiO
a)
2
b)
3
c)
1
d)
4
17.
How many different elements are represented in the compound?
H2O2
a)
2
b)
3
c)
1
d)
4
18.
How many different elements are represented in the compound?
Fe3O4
a)
2
b)
3
c)
1
d)
4
19.

How many Hydrogen atoms are in 4H2O?

a)

6

b)

8

c)

2

d)

4

20.

How many Oxygen atoms are in H2O?

a)

1

b)

2

c)

0

d)

4

21.

How many atoms are there TOTAL in H2SO4 ?

a)

6

b)

5

c)

7

d)

3

22.

How many Sodium atoms are in 6NaCl?

a)

1

b)

12

c)

6

23.

How many Nitrogen atoms are in (NH₄)₂CrO₄?

a)

1

b)

2

c)

8

d)

16

24.

What is C2H8O ?

a)

Element

b)

Letters

c)

Numbers

d)

Compound

25.

How many Oxygen atoms are in Al₂(SO₄)₃?

a)

4

b)

12

c)

7

d)

24

26.

How many Hydrogen atoms in 3(NH₄)₂CrO₄?

a)

4

b)

2

c)

8

d)

24

27.

A subscript is the small number below the element symbol that tells the number of _______ of that element.

a)

atoms

b)

valence electrons

c)

protons

d)

elements

28.

How many Nitrogen atoms are in the in H2C3O4N5?

a)

2

b)

3

c)

4

d)

5

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