60 cards
The ____ is the ejection of an electron from the surface of a metal in response to light.
The photoelectric effect is ____
The ____ is the minimum light frequency necessary to eject an electron from a given metal.
The threshold frequency is ____
Energy of photon equation:____
____ equation: E = hf
Maximum kinetic energy of the ejected electron equation:____
____ equation: K max = hf − W
The ____ is the minimum energy required to eject an electron.
The work function is ____
Work function equation:____
____ equation: W = hf T
The greater the energy of the incident photon above the work function, the more ____ the ejected electron can possess.
The ejected electrons from photoelectric effect creates a ____.
The magnitude of the current produced from photoelectric effect is proportional to ____.
The magnitude of the ____ produced from photoelectric effect is proportional to the intensity of the incident beam of light.
The ____ states that electron energy levels are stable and discrete, corresponding to specific orbits.
The Bohr model of the atom states ____.
An electron can go from a lower-energy to a higher-energy orbit by a____ photon of light.
An electron can go from a ____-energy orbit by absorbing a photon of light.
An electron can go from a higher-energy to a lower-energy orbit by ____ a photon of light.
An electron can go from a ____-energy orbit by emitting a photon of light.
Absorption spectra may be impacted by small changes in ____.
____ occurs when a species absorbs high-frequency light and then returns to its ground state in multiple steps.
Fluorescence occurs ____
____ is the amount of energy that is released when nucleons (protons and neutrons) bind together.
Nuclear binding energy is the amount of energy that is released when ____ bind together.
The more ____ per nucleon released, the more stable the nucleus.
The four fundamental forces of nature are the ____.
The ____ is the difference between the mass of the unbonded nucleons and the mass of the bonded nucleons within the nucleus.
The mass defect is the difference between ____.
The mass defect is the ____ converted to energy during nuclear fusion.
The mass defect is the amount of mass converted to ____ during nuclear fusion.
The mass defect is the amount of mass converted to energy during ____.
The ____ is the amount of mass converted to energy during nuclear fusion.
____ occurs when small nuclei combine into larger nuclei.
Fusion occurs when ____.
____ occurs when a large nucleus splits into smaller nuclei.
Fission occurs when ____.
Energy is released in both fusion and fission because ____.
____ is released in both fusion and fission because the nuclei formed in both processes are more stable than the starting nuclei.
____ is the loss of small particles from the nucleus.
Alpha ( α ) decay is the emission of ____.
____ is the emission of an alpha particle , which is a helium nucleus.
Gamma ( γ ) decay is the emission of ____.
____ is the emission of a gamma ray.
Gamma ( γ ) decay ____
____ is the decay of a neutron into a proton, with emission of an electron and an antineutrino.
Beta-negative ( β − ) decay is the decay of a ____.
____ is the decay of a proton into a neutron, with emission of a positron and a neutrino.
Beta-positive ( β + ) decay is the decay of a ____.
____ is the absorption of an electron from the inner shell that combines with a proton in the nucleus to form a neutron.
Electron capture ____.
____ is the amount of time required for half of a sample of radioactive nuclei to decay.
In ____, the rate at which radioactive nuclei decay is proportional to the number of nuclei that remain.
In exponential decay, the rate at which radioactive nuclei decay is ____ to the number of nuclei that remain.
Mass defect is related to the binding energy such that ____.
Mass defect is related to binding energy by the equation ____.
Exponential decay equation:____
____ equation: n = n 0 e − λ t