Name: 
 

Chapter 3 Self-Assessment CP PH



Matching
 
 
Match each item with the correct statement below.
a.
absolute zero
e.
mass
b.
Kelvin temperature scale
f.
significant figure
c.
Celsius temperature scale
g.
precision
d.
weight
h.
accuracy
 

 1. 

closeness to true value
 

 2. 

narrowness of range of measurements
 

 3. 

known or estimated in a measurement
 

 4. 

the quantity of matter an object contains
 

 5. 

the lowest point on the Kelvin scale
 

 6. 

the SI scale for temperature
 

 7. 

the force of gravity on an object
 

 8. 

the non-SI scale for temperature
 

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

 9. 

The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
a.
1.54 mc009-1.jpg 10mc009-2.jpg m
c.
1.54 mc009-5.jpg 10mc009-6.jpg m
b.
1.54 mc009-3.jpg 10mc009-4.jpg m
d.
1.54 mc009-7.jpg 10mc009-8.jpg m
 

 10. 

What is the result of multiplying 2.5 mc010-1.jpg 10mc010-2.jpg by 3.5 mc010-3.jpg 10mc010-4.jpg?
a.
8.75 mc010-5.jpg 10mc010-6.jpg
c.
8.75 mc010-9.jpg 10mc010-10.jpg
b.
8.75 mc010-7.jpg 10mc010-8.jpg
d.
8.75 mc010-11.jpg 10mc010-12.jpg
 

 11. 

Which of the following measurements (of different masses) is the most accurate?
a.
3.1000 g
c.
3.122 22 g
b.
3.100 00 g
d.
3.000 000 g
 

 12. 

Which group of measurements is the most precise? (Each group of measurements is for a different object.)
a.
2 g, 3 g, 4 g
c.
2 g, 2.5 g, 3 g
b.
2.0 g, 3.0 g, 4.0 g
d.
1 g, 3 g, 5 g
 

 13. 

Which of the following units is NOT an official SI unit?
a.
kilogram
c.
mole
b.
ampere
d.
liter
 

 14. 

What is the SI unit of mass?
a.
liter
c.
candela
b.
joule
d.
kilogram
 

 15. 

Which temperature scale has no negative temperatures?
a.
Celsius
c.
Joule
b.
Fahrenheit
d.
Kelvin
 
 
Commonly Used Metric Prefixes
Prefix
Meaning
Factor
mega (M)1 million times larger than the unit it precedes10nar001-1.jpg
kilo (k)1000 times larger than the unit it precedes10nar001-2.jpg
deci (d)10 times smaller than the unit it precedes10nar001-3.jpg
centi (c)100 times smaller than the unit it precedes10nar001-4.jpg
milli (m)1000 times smaller than the unit it precedes10nar001-5.jpg
micro (nar001-6.jpg)1 million times smaller than the unit it precedes10nar001-7.jpg
nano (n)1000 million times smaller than the unit it precedes10nar001-8.jpg
pico (p)1 trillion times smaller than the unit it precedes10nar001-9.jpg
 

 16. 

What is the quantity 0.0075 meters expressed in centimeters? Use the table above to help you.
a.
0.075 cm
c.
7.5 cm
b.
0.75 cm
d.
70.5 cm
 

 17. 

Density is found by dividing ____.
a.
mass by volume
c.
mass by area
b.
volume by mass
d.
area by mass
 

 18. 

What is the density of an object having a mass of 8.0 g and a volume of 25 cmmc018-1.jpg?
a.
0.32 g/cmmc018-2.jpg
c.
3.1 g/cmmc018-4.jpg
b.
2.0 g/cmmc018-3.jpg
d.
200 g/cmmc018-5.jpg
 

 19. 

What is the volume of 80.0 g of ether if the density of ether is 0.70 g/mL?
a.
5.6 mc019-1.jpg 10mc019-2.jpg
c.
8.8 mc019-5.jpg 10mc019-6.jpg
b.
1.1 mc019-3.jpg 10mc019-4.jpg
d.
8.0 mc019-7.jpg 10mc019-8.jpg
 

 20. 

What is the volume of 45.6 g of silver if the density of silver is 10.5 g/mL?
a.
0.23 mL
c.
479 mL
b.
4.34 mL
d.
none of the above
 



 
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