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# ChemistryUNit1Study

Kilo 10^3
Hecto 10^2
Deka 10^1
Deci 10^-1
Centi 10^-2
Milli 10^-3
Micro 10^-6
Nano 10^-9
Pico 10^-12
Mass Kilograms, kg
Length Meters
Temperature Kelvins
Celsius Scale- based on the freezing point (0 C) and boiling point (100 C) of water. It is possible to have a negative temperature on Celsius scale.
Kelvin Scale- based on molecular motion. Is the SI scale for temperature. The zero point on the Kelvin scale is absolute zero. The theoretical point were all motion stops. One K degree equals one C degree. No negatives in Kelvin!
Scientific Notion Always multiply the coefficients and add the exponents. To divide, divide the coefficients then subtract the exponents.
Density- The measure of compactness of space. D= m/v
How to calculate Mass, Volume, and Density Use the triangle and cover up what you need to find. (dmv) M D V
Weight vs. Mass Weight is a measure of the pull of gravity on a mass. Mass is a measure of the amount of matter in a substance or object.
Precision vs. Accuracy Precision is a measure of how close a set of measurements are to one another; Accuracy is a measure of how close a measurement is to the true value of a measurement.
Sig Figs Exact numbers have UNLIMITED sig figs; either counting of defined
Created by: rhammock15
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