# CH: Chapter 2

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1. Prefix "n"
stands for?
and mathmatical value is?
Nano 10^-9
2. Prefix "G"
stands for?
and mathmatical value is?
Giga 10^9
3. Prefix "m"
stands for?
and mathmatical value is?
Milli 10^-3
4. Prefix "μ"
stands for?
and mathmatical value is?
Micro 10^-6
5. Prefix "M"
stands for?
and mathmatical value is?
Mega 10^6
6. Prefix "p"
stands for?
and mathmatical value is?
Pico 10^-12
7. Prefix "k"
stands for?
and mathmatical value is?
Kilo 10^3
8. Prefix "c"
stands for?
and mathmatical value is?
Centi 10^-2
9. Prefix "d"
stands for?
and mathmatical value is?
Deci 10^-1
10. Prefix "da"
stands for?
and mathmatical value is?
Deca-10^1
11. SI unit: Length

Measure of the two-dimensional distance an object covers.
meter
12. SI unit: Mass

Measure of the amount of matter present in an object.
kilogram (kg)
13. SI units: Time

Measure of the duration of an event.
second (s)
14. SI unit: Temperature

Measure of the average amount of kinetic energy.
Kelvin (K)
15. SI unit: volume
cubic meter (m^3)
16. Density
Is a ratio of mass of an object to the volume the object i.e d = mass/volume.

The units commonly used are g/cm^3 or g/mL (SI-derived units).
17. Numbers that have an unlimited number of significant figures are ....
Exact Numbers A number whose value is known with complete certainty is ...
18. A number whose value is known with complete certainty is ...
Exact
19. When multiplying or dividing measurements with significant figures....
the result has the same number of significant figures as the measurement with the fewest number of significant figures.
20. When adding or subtracting measurements with significant figures....
the result has the same number of decimal places as the measurement with the fewest number of decimal places.
21. When doing different kinds of operations with measurements with significant figures you .....
evaluate the significant figures in the intermediate answer, then do the remaining steps.
22. Solution Maps
• A solution map is a visual outline that shows the strategic route required to solve a problem.
• For unit conversion, the solution map focuses on units and how to convert one to another.

### Card Set Information

 Author: npickett ID: 134947 Filename: CH: Chapter 2 Updated: 2012-02-13 17:00:47 Tags: Chemistry Folders: Description: Chapter 2: Significant figures, SI system, and prefixes Show Answers:

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