1.2.1 Chapter 2

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  1. Metric)Units of measurement) Length
    Meter
  2. Metric)Units of measurement) Volume
    Liter
  3. Metric)Units of measurement) Mass
    Gram
  4. Metric)Units of measurement) temperature
    Degree celsius
  5. Metric)Units of measurement) time
    Second
  6. Metric)abbreviations) meter
    m
  7. Metric)abbreviations) Liter
    L
  8. Metric)abbreviations) Gram
    g
  9. Metric)abbreviations) Degree Celsius
    *C
  10. Metric)abbreviations) second (s)
    s
  11. SI) units of measurement) Length
    Meter
  12. SI) units of measurement) volume
    Cubic meter
  13. SI) units of measurement) Mass
    Kilogram
  14. SI) units of measurement) temperature
    Kelvin
  15. SI) units of measurement) Time
    Second (s)
  16. SI) Abbreviations) meter
    m
  17. SI) Abbreviations) Cubic meter
    m^3
  18. SI) Abbreviations) Kilogram
    kg
  19. SI) Abbreviations)kelvin
    K
  20. SI) Abbreviations) second (s)
    s
  21. What are measured numbers?
    Numbers that are measured by some instrument
  22. What are exact numbers?
    Those numbers that are obtained by counting items
  23. rules for sig figs) Rule #1: A number is a sig fig if it is... (4)
    -not a zero

    -one or more zeros between nonzero digits

    -one or more zeros at the end of a decimal number

    -in the coefficient of a number written in scientific notation
  24. rules for sig figs) Rule #2: a zero is not significant if it is...(2)
    -at the beginning of a decimal number

    -used as a placeholder in a large number without a decimal point
  25. Sig figs in calcuration for rounding) rules for addition and subtraction
    Final answer is written so that is has the same number of decimal places as the measurement having the fewest decimal placesĀ 


    ex) 4.55 + 5.2= answer should be in 1 decimal spot so tenths for this one
  26. Sig figs in calcuration for rounding) rules for multiplication and division
    Final answer is written with same number of sigfigs as the measurement with the fewest SFs

    ex) 4.55 x 5.2= final answer should be rounded to 2 SFs

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Author:
efrain12
ID:
323565
Filename:
1.2.1 Chapter 2
Updated:
2016-09-25 04:59:50
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Chemistry
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Chapter 2
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