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Internal conversion: Quiz


Question 1: The atom can relax by ________ emission and/or by Auger electron emission.
Ionizing radiationRadiation therapyNuclear fusionX-ray

Question 2: The internal conversion process competes with ________.
Nuclear fusionGamma rayX-rayNuclear fission

Question 3: However, in internal conversion, the nucleus does not first emit an intermediate real gamma ray, and therefore need not change ________ or electric moment.
Angular momentumEnergyForceRigid body

Question 4: Thus, in an internal conversion process, a high-energy electron is emitted from the radioactive atom, but without ________ taking place.
Alpha decayNuclear fissionNuclear fusionBeta decay

Question 5: In the internal conversion process, the ________ of an inner shell electron penetrates the nucleus (i.e.
Quantum mechanicsWave functionQuantum stateBra-ket notation

Question 6: Auger electrons similarly arise when an electric field is produced within an atom's electron cloud due to loss of another electron, and this field again induces the acceleration and removal of yet another of the atom's ________ electrons.
Atomic orbitalElectron configurationAtomic theoryBohr model

Question 7: Most internal conversion electrons come from the K shell (1s state, see ________), as these two electrons have the highest probability of being found inside the nucleus.
Noble gasPeriodic tableElectron shellFrancium

Question 8: Since no beta decay takes place in internal conversion, the element atomic number does not change, and thus (as is the case with ________) no transmutation of one element to another is seen.
Nuclear fissionX-rayNuclear fusionGamma ray

Question 9: Internal conversion is a radioactive decay process where an excited nucleus interacts with an electron in one of the lower ________, causing the electron to be emitted from the atom.
Atomic orbitalAtomic theoryBohr modelElectron configuration

Question 10: This internal conversion process is also not to be confused with the similar photoelectric effect, which also may occur with ________ associated electron emission, in which an incident gamma photon emitted from a nucleus interacts with an electron, expelling the electron from the atom.
X-rayNuclear fusionGamma rayNuclear fission


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