Name: 
 

Chap3



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

Matter includes all of the following EXCEPT
a.
air.
c.
smoke.
b.
light.
d.
water vapor.
 

2. 

A physical property may be investigated by
a.
melting ice.
c.
allowing silver to tarnish.
b.
letting milk turn sour.
d.
burning wood.
 

3. 

One chemical property of matter is
a.
boiling point.
c.
reactivity.
b.
texture.
d.
density.
 

4. 

Which of the following is an intensive physical property?
a.
volume
c.
color
b.
length
d.
mass
 

5. 

An example of a chemical change is
a.
sanding wood.
c.
milk going sour.
b.
melting ice.
d.
vaporizing gasoline.
 

6. 

The state of matter in which a material is most likely to resist compression is the
a.
solid state.
c.
gaseous state.
b.
liquid state.
d.
vaporous state.
 

7. 

The state of matter in which a material has neither a definite shape nor a definite volume is the
a.
gaseous state.
c.
elemental state.
b.
liquid state.
d.
solid state.
 

8. 

Under ordinary conditions of temperature and pressure, the particles in a gas are
a.
closely packed.
c.
held in fixed positions.
b.
very far from each other.
d.
able to slide past each other.
 
 
chap3webtest_files/i0100000.jpg
 

9. 

The homogeneous mixture in the illustration above is in container
a.
a.
c.
c.
b.
b.
d.
d.
 
 
chap3webtest_files/i0120000.jpg
 

10. 

Use the figure above. Which element has properties most similar to those of sodium?
a.
boron
c.
sulfur
b.
calcium
d.
nitrogen
 

11. 

A horizontal row of blocks in the periodic table is called a(n)
a.
group.
c.
family.
b.
period.
d.
octet.
 

12. 

If 4 g of element A combine with 10 g of element B, then 12 g of element A combine with ____ g of element B.
a.
10
c.
24
b.
12
d.
30
 

13. 

The two oxides of lead, PbO and PbO2, are explained by the
a.
periodic law.
c.
atomic law.
b.
law of multiple proportions.
d.
law of conservation of mass.
 

14. 

Which two compounds are examples of the law of multiple proportions?
a.
FeCl3 and Fe2(SO4)3
c.
CO and CO2
b.
O2 and O3
d.
FeCl2 and Fe(NO3)2
 

15. 

According to the law of definite proportions, any two samples of KCl have
a.
the same mass.
c.
the same melting point.
b.
slightly different molecular structures.
d.
the same ratio of elements.
 

16. 

According to the law of conservation of mass, when sodium, hydrogen, and oxygen react to form a compound, the mass of the compound is ____ the sum of the masses of the individual elements.
a.
equal to
c.
less than
b.
greater than
d.
either greater than or less than
 

Short Answer
 

17. 

In one experiment, magnesium metal is melted. In a second experiment, magnesium metal is burned. Classify the change in each experiment as chemical or physical. Explain your reasoning.
 



 
Check Your Work     Reset Help