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Unit 4 Practice

Total questions: 36

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

Name this formula:

KNO3

a)

Potassium Nitrogen Oxide

b)

Potassium Nitride

c)

Potassium Nitrate

d)

Potassium (I) Nitrite

2.

What is the name of the compound SO2

a)

Monosulfate oxide

b)

Sulfur Dioxide

c)

Monosulfur dioxide

3.

Name the compound NH4OH

a)

ammonium hydroxide

b)

ammonia oxyhydride

c)

mononitrogen tetraoxihydride

d)

hydrogen nitrate

4.

The correct name for LiCl is _______.

a)

lithium monochloride

b)

lithium(I) chloride

c)

monolithium chloride

d)

lithium chloride

e)

monolithium monochloride

5.

The charge on a lithium ion in its ionic

compound is _____.

a)

+1

b)

+2

c)

+3

d)

-1

e)

Varies

6.

What is the correct name of the compound CaCl2?

a)

Calcium dichloride

b)

Calcium dichlorine

c)

Calcium chlorine

d)

Calcium chloride

7.

All binary compounds end with_____.

a)

-ous

b)

-ate

c)

-ide

d)

-ite

8.

Name the following ionic compound: MgSO4

a)

magnesium sulfoxide

b)

magnesium sulfide

c)

magnesium sulfate

d)

magnesium oxide

9.

Write the correct formula for the compound created from the following ion pair:


Na+, O2-

a)

Na2O

b)

NaO2

c)

Na2O2

d)

NaO

10.

Write the correct formula for the compound created from the following ion pair:


Li+, SO42-

a)

Li(SO4)2

b)

Li2(SO4)2

c)

Li2SO4

d)

LiSO4

11.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
12.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
13.

How many Hydrogen atoms are in 4H2O?

a)

6

b)

8

c)

2

d)

4

14.

How many Oxygen atoms are in H2O?

a)

1

b)

2

c)

0

d)

4

15.

How many Sodium atoms are in 6NaCl?

a)

1

b)

12

c)

6

16.

What does the subscript in a chemical formula tell you?

a)

How many molecules are present

b)

How many atoms are present

c)

How many elements are present

d)

How many neutrons are present

17.

How many atoms of Carbon are in this formula? C6 H12O6C_{6\ }H_{12}O_6  

a)

6

b)

1

c)

12

18.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
19.

How many elements are in... N2O ?

a)

1

b)

2

c)

3

d)

4

20.
How many atoms of Hydrogen are in this compound
a)
1
b)
2
c)
3
d)
4
21.

What is a subscript.

a)

tells number of atoms of a particular chemical.

b)

tells number of protons of a particular chemical.

c)

A number that is placed in front of a chemical formula

22.

What is a coefficient in a Chemical Formula.

a)

The number you multiply a variable by.

b)

Something multiplied the subscript that is outside the parenthesis by the number of atoms there are inside the parenthesis.

c)

Something consisting of the coefficients of the variables in a set of linear equations.

d)

A number placed in front of a chemical formula.

23.

4CF2Cl2

a)

C = 4, F = 4, Cl = 2

b)

C = 1, F = 8, Cl = 8

c)

C = 4, F = 8, Cl = 8

d)

C = 1, F = 4, Cl = 8

24.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
25.

Calcium Oxide, CaO

a)

Covalent Bond

b)

Ionic Bond

26.

Table salt, NaCl

a)

Covalent Bond

b)

Ionic Bond

27.

Magnesium Chloride, MgCl2

a)

Covalent Bond

b)

Ionic Bond

28.

Water, H2O

a)

Covalent Bond

b)

Ionic Bond

29.

Magnesium Oxide, MgO

a)

Covalent Bond

b)

Ionic Bond

30.

Methane, CH4

a)

Covalent Bond

b)

Ionic Bond

31.

*Use the Criss Cross Method

Fe +3  and  S -2

a)
Fe3S2
b)
FeS
c)
S3Fe2
d)
Fe2S3
32.
Ba +3 and  Cl-
a)
Ba3Cl
b)
Ba3Cl3
c)
BaCl3
d)
BaCl
33.

How do the following two elements bond together? (use the criss cross method)
Potassium (+1) and Sulfur (-2) 

a)
KS
b)
K8S
c)
K6S3
d)
K2S
34.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
35.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
36.

What is the formula for Magnesium Sulfate?

Use the criss cross method (look at the picture for help)

a)

Mg2(SO4)2

b)

Mg2SO4

c)

MgSO

d)

Mg(SO4)2

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