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27 Cards in this Set
- Front
- Back
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mega
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10^6
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kilo
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10^3
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deci
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10^-1
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centi
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10^-2
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milli
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10^-3
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micro
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10^-6
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nano
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10^-9
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cyanide
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CN 1-
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hydroxide
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OH 1-
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nitrate
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NO3 1-
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nitrite
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NO2 1-
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carbonate
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CO3 2-
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sulfate
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SO4 2-
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phosphate
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PO4 3-
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ammonium
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NH4 1+
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C =
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(F - 32) (5/9)
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F =
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(9/5) * C + 32
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K =
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273.15 + C
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scientific method
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observations, representations, intrepretation
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democritus
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460-370 BC - DUALISM (good/evil, hot/cold). atoms are indivisible particles. no design in nature.
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epicurus
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342-270 BC - alchemist
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gassendi
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17th century - all atoms created by God, finite in #
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dalton
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1800s - atoms different in type, compounds are more than one element, chemical rxns don't create or destroy -
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thompson
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used cathode ray tube to determine that the cathode ray contained negatively charged particles, or electrons. it was attracted by the positive and repelled by the negative
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millikan
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determined mass of electron. atomized an oil droplet. found charge of electron and used charge / (charge/mass) to determine mass
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rutherford
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emitted alpha particles at gold foil and detecting screen.
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chadwick
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used experiments to discover neutrons.
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