Prentice Hall Chemistry Chapter 3

4 Written Questions

1. a given number is written as the product of two numbers: a coefficient and 10 raised to a power
2. Density = mass/volume
3. a quantity that has both a number and a unit
4. [(experimental value - accepted value) / accepted value] x 100%

4 Multiple Choice Questions

1. Celsius + 273 = K
   1. precision
   2. Density
   3. kelvin scale
   4. SI units
2. the value measured in the lab
   1. accepted value
   2. kelvin scale
   3. measurement
   4. experimental value
3. meter, kilogram, the kelvin, second, and the mole
   1. SI units
   2. Density
   3. accuracy
   4. error
4. the correct value based on reliable references
   1. accuracy
   2. accepted value
   3. experimental value
   4. kelvin scale

3 True/False Questions

1. error → the different between the experimental value and the accepted value

   True        False

2. accuracy → meter, kilogram, the kelvin, second, and the mole

   True        False

3. precision → Density = mass/volume

   True        False