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CP Chemistry Review List for the Midterm CHAP 1 CHAP 2 chemistry units of measurement branches of chemistry system international (metric) mass base units matter second - time weight meters - length scientific method kilogram - mass observation derived units quantitative data liters - volume qualitative data density hypothesis temperature - celcius/kelvin experiment scientific notation independent variable operations with scientific notation (+,-,x, ÷) dependent variable control conversions conclusion accuracy model precision theory percent error scientific law significant digits pure research operations with sig dig (+,-,x, ÷) applied research representing data circle graph pie graph line graph variables on graphs
CHAP 3 CHAP 4substance early philosophies on matter physical properties the four early elements chemical properties Dalton's atomic theory states of matter atom solid discovery of the electron liquid cathode-ray tubes gases electrons physical changes Rutherford's gold foil experiments chemical changes nucleus evidence of chemical changes (4) 3 things discovered from gold foil law of conservation of mass protons mixtures neutrons heterogeneous mixture atomic number homogeneous mixture mass number solutions isotopes filtration atomic mass distillation atomic mass units crystallization weighted average chromatography nuclear reactions element radioactivity periodic table radiation compounds radioactive decay law of definite proportions alpha radiation percent by mass beta radiation law of multiple proportions nuclear equation beta particles alpha particles gamma rays formation of elements - naturally
CHAP 5 electromagnetic radiation wave nature of light wavelength electromagnetic spectrum the quantum concept atomic emission spectra Bohr model of the atom orbitals energy levels ground state excited state
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