Free Printable 0.10.3 Practice Exam

1.

a)

Neutrons and protons have approximately the same mass.

b)

Neutrons and electrons have approximately the same mass.

c)

Protons and electrons have the same charge.

d)

Protons and neutrons have the same charge.

2.

a)

The second shell is made up of 18 elements.

b)

The main group elements are found in the s and p subshells.

c)

The number of valence electrons for an atom can be readily determined from information in the periodic table.

d)

The molar mass of a compound can be readily determined from information in the periodic table.

3.

a)

1; 6; 2 - synthesis

b)

2; 6; 2 - synthesis

c)

1; 6; 2 - displacement

d)

2; 6; 2 - displacement

4.

a)

V and n

b)

P and n

c)

P and V

d)

V and T

5.

a)

Directly, same

b)

Directly, opposite

c)

Inversely, opposite

d)

Inversely, same

6.

a)

About $4\ x\ 10^8$

b)

About $4\ x\ 10^7$

c)

About $4\ x\ 10^6$

d)

About $4\ x\ 10^{-3}$

7.

a)

$v=10^1$

b)

$v=10^{-15}$

c)

$v=10^{-1}$

d)

$v=10^{15}$

8.

a)

About 5 moles

b)

About 100 moles

c)

About 10 moles

d)

About 50 moles

9.

a)

Meter, gram, hour

b)

Kilometer, kilogram, minutes

c)

Millimeter, pounds, days

d)

Meter, kilogram, seconds

10.

a)

180 g/mol

b)

410 g/mol

c)

295 g/mol

d)

201 g/mol

11.

a)

$6.0\ x\ 10^{23}\ \ molecules$

b)

$1.8\ x\ 10^{24}\ molecules$

c)

$3.0\ x\ 10^{23}\ molecules$

d)

$18\ x\ 10^{24}\ molecules$

12.

a)

a

b)

b

c)

c

d)

d

13.

a)

About 5%

b)

About 10%

c)

About 20%

d)

About 90%

14.

a)

$CH_2O$

b)

$C_2H_4O_2$

c)

$CHO$

d)

$C_2H_3O_2$

15.

a)

$C_6H_6$

b)

$C_3H_3$

c)

$C_2H_{10}$

d)

d $C_3H_{12}$

16.

a)

2 moles

b)

4 moles

c)

1 moles

d)

8 moles

17.

a)

there are 5 oxygen atoms reacting for every 3 $CO_2$ molecules produced.

b)

There are 5 oxygen molecules reacting for every six oxygen atoms produced in $CO_2$

c)

There are 10 oxygen atoms reaction for every four water molecules produced.

d)

There are 10 oxygen atoms reacting for every six oxygen atoms produced in $CO_2$

18.

a)

a

b)

b

c)

c

d)

d

19.

a)

two

b)

eight

c)

nine

d)

six

20.

a)

53%

b)

85%

c)

13%

d)

120%

0.10.3 Practice Exam

Total questions: 20

Worksheet time: 3hrs 38mins

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