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42 True/False questions

  1. modelterm for the space beween two shells-- a place of low probablility for containing an electron

          

  2. line absorption spectrumterm for the specific frequencies of radiation emitted by elements or compounds in gaseous form, which increase in intensity as a function of temperature

          

  3. Niels BohrA gas emits the same ____ that is absorbs.

          

  4. quantathe discrete amounts in which radiation is emitted, according to Planck

          

  5. quantizedthe discrete amounts in which radiation is emitted, according to Planck

          

  6. quantum numbersthe four numbers that provide a statistical description of an electron's likelihood to be found in a given region where they will demonstrate observed characteristics

          

  7. orbitalthe discrete amounts in which radiation is emitted, according to Planck

          

  8. blackbodyterm for an ideal absorber, which absorbs all the radiation that falls upon it

          

  9. Pauli exclusion principlethe principle which states that no two electrons within an atom can have the same set of quantum numbers

          

  10. wave mechanical modelSchrodinger's model which related an electron's energy state to a cyclical standing wave

          

  11. principalterm for the hollow, three-dimensional shape that shows positions of high probability for finding an electron around a nucleus

          

  12. excited stateterm for the lowest possible energy state of an electron

          

  13. line emission spectraterm for the specific frequencies of radiation emitted by elements or compounds in gaseous form, which increase in intensity as a function of temperature

          

  14. unpredictableterm for the hollow, three-dimensional shape that shows positions of high probability for finding an electron around a nucleus

          

  15. work functionAccording to the wave equation, ψ gives the value of the ___ ___ under a given set of conditions.

          

  16. Stefan-Boltzmann lawterm for the relationship betweent the radiated energy and the temperature of a blackbody

          

  17. incandescenceterm for the production of visible light by a heated body

          

  18. matter wavesWhen a property like wavelength is a factor, matter may be viewed as ___ ___.

          

  19. complementaritythe concept that every quantum system exhibits both particle and wave properties, but the demonstration of one property limits the demonstration of the other at the same moment

          

  20. nodeterm for the space beween two shells-- a place of low probablility for containing an electron

          

  21. wave functionAccording to the wave equation, ψ gives the value of the ___ ___ under a given set of conditions.

          

  22. spinThe ___ quantum number (denoted ms) differentiates the two electrons in the same orientation within the same orbital within the same energy level.

          

  23. saturation potentialterm for a certain positive potential beyond which the current rises very little

          

  24. stopping potentialterm for a certain positive potential beyond which the current rises very little

          

  25. photoelectric effectterm for the ejection of electrons from a surface exposed to ultraviolet light or any other radiation

          

  26. de Broglie's equationthe law that states that the most strongly emitted wavelength is a function of temperature

          

  27. threshold frequencyterm for the frequency above which photoemission occurs even if the light is extremely weak, and below which photemission never occurs

          

  28. magneticThe ____ quantum number (denoted m1) indicates the spatial orientation of an orbital.

          

  29. photonsterm for a theoretical picture of something

          

  30. radiancyThe ___ quantum number (denoted ms) differentiates the two electrons in the same orientation within the same orbital within the same energy level.

          

  31. vary continuouslyterm for the amount of work that must be done to remove an electron from the outermost orbit of an outlying atom to a distance infinitely far away

          

  32. visible light, radiationBohr proposed that light emited by the hydrogen electron during transition to a lower energy state takes the form a of a single photon with a frequency of ___ ___ or of ___ elsewhere on the spectrum.

          

  33. Compton effectthe effect that occurs when a block of graphite is placed in the path of a narrow beam of xrays, and the x-rays scatter in such a way that, at any angle of scattering, they are most intense at two wavelengths: the incident wavelength and a longer wavelength that increases as the scaterring angle increases

          

  34. wave-particle dualitythe theory that matter exists simultaneously as both waves and particles, the particles moving in a manner dictated by the waves

          

  35. wavelengthsA gas emits the same ____ that is absorbs.

          

  36. higher, lowerthe Danish physicist who constructed a model of a hydrogen atom in order to predict the behavior of its electron

          

  37. subshellThe ____ (denoted by l) indicates the possible orbitals within a given energy level.

          

  38. Wien's lawthe Danish physicist who constructed a model of a hydrogen atom in order to predict the behavior of its electron

          

  39. photoelectronsterm for the particles of which light consists

          

  40. ground stateterm for the higher energy state of an electron

          

  41. uncertainty principlethe principle which states that no two electrons within an atom can have the same set of quantum numbers

          

  42. quantum theorythe four numbers that provide a statistical description of an electron's likelihood to be found in a given region where they will demonstrate observed characteristics