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Unformatted text preview: e kg/m 3 frequency cycles/time s1 hertz (Hz) acceleration velocity/tim e m/s 2 mass × acceleration kg m/s 2 Newton (N) force × distance kg m 2 /s 2 Joule (J) • Prefixes are used to adjust the size of base units Commonly used SI prefixes (there are others Meaning Abbreviati on Exponenti al Notation billion G 10 9 million M 10 6 thousand k 10 3 hundredths of c 102 thousandth s of m 103 millionths of µ 106 billionths of n 109 trillionths of p 1012 • several nonSI units are encountered in chemistry Unit type SI conversion Notes volume 1 L = 1000 cm 3 1 quart = 0.946 L Angstrom length 1 Å = 1010 m typical radius of an atom mass unit mass 1 u = 1.66054×1027 kg about the mass of a proton or neutron; also known as a 'dalton' or 'amu'...
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 Fall '10
 LauraChoudry
 Chemistry, Hertz, International System of Units, Kilogram, si base units, Le systeme

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