42 True/False questions

model → term for the space beween two shells a place of low probablility for containing an electron

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

Niels Bohr → A gas emits the same ____ that is absorbs.

quanta → the discrete amounts in which radiation is emitted, according to Planck

quantized → the discrete amounts in which radiation is emitted, according to Planck

quantum numbers → the 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

orbital → the discrete amounts in which radiation is emitted, according to Planck

blackbody → term for an ideal absorber, which absorbs all the radiation that falls upon it

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

wave mechanical model → Schrodinger's model which related an electron's energy state to a cyclical standing wave

principal → term for the hollow, threedimensional shape that shows positions of high probability for finding an electron around a nucleus

excited state → term for the lowest possible energy state of an electron

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

unpredictable → term for the hollow, threedimensional shape that shows positions of high probability for finding an electron around a nucleus

work function → According to the wave equation, ψ gives the value of the ___ ___ under a given set of conditions.

StefanBoltzmann law → term for the relationship betweent the radiated energy and the temperature of a blackbody

incandescence → term for the production of visible light by a heated body

matter waves → When a property like wavelength is a factor, matter may be viewed as ___ ___.

complementarity → the 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

node → term for the space beween two shells a place of low probablility for containing an electron

wave function → According to the wave equation, ψ gives the value of the ___ ___ under a given set of conditions.

spin → The ___ quantum number (denoted ms) differentiates the two electrons in the same orientation within the same orbital within the same energy level.

saturation potential → term for a certain positive potential beyond which the current rises very little

stopping potential → term for a certain positive potential beyond which the current rises very little

photoelectric effect → term for the ejection of electrons from a surface exposed to ultraviolet light or any other radiation

de Broglie's equation → the law that states that the most strongly emitted wavelength is a function of temperature

threshold frequency → term for the frequency above which photoemission occurs even if the light is extremely weak, and below which photemission never occurs

magnetic → The ____ quantum number (denoted m1) indicates the spatial orientation of an orbital.

photons → term for a theoretical picture of something

radiancy → The ___ quantum number (denoted ms) differentiates the two electrons in the same orientation within the same orbital within the same energy level.

vary continuously → term 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

visible light, radiation → Bohr 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.

Compton effect → the effect that occurs when a block of graphite is placed in the path of a narrow beam of xrays, and the xrays 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

waveparticle duality → the theory that matter exists simultaneously as both waves and particles, the particles moving in a manner dictated by the waves

wavelengths → A gas emits the same ____ that is absorbs.

higher, lower → the Danish physicist who constructed a model of a hydrogen atom in order to predict the behavior of its electron

subshell → The ____ (denoted by l) indicates the possible orbitals within a given energy level.

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

photoelectrons → term for the particles of which light consists

ground state → term for the higher energy state of an electron

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

quantum theory → the 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