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30 Cards in this Set
- Front
- Back
Density
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mass over volume
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Mass
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amount of matter in an object
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Weight
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based on gravity
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Organic Chemistry
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deals with carbon compounds
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Inorganic chemistry
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deals with non-organic compounds
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Hypothesis
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educated guess
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Theory
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based on experimentation
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Law
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theory that has been around a long time
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Applied research
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finds use for pure research
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Pure research
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knowledge alone
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Percent of Error
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difference between real and experimental derived value divided by real value
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Physical property
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can be observed without changing it
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Chemical property
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ability to react
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Homogeneous mixture
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even mixture or solution
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Heterogeneous mixture
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uneven mixture
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Element
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can't be broken down into smaller parts in a reaction
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Compound
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two or more elements chemically combined
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Nucleus
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may contain protons and neutrons
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What exists outside of the nucleus?
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electrons
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MKS system
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meters, kilograms, seconds
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ROYGBV
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visible light spectrum
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Amplitude
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height or strength of a wave
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Wavelength
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crest to crest
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Frequency
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measured in hertz (hz)
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Isotope
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different members of an element with different numbers of neutrons
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Atomic number
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number of protons (p+)
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Atomic mass
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protons + neutrons (N)
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Proton
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mass of 1, positive charge (+1)
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Neutron
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mass of 1, neutral charge (0)
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Electron
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mass if 0, negative charge (-1)
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