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30 Cards in this Set

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