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Excited state: Quiz


Question 1: Long-lived excited states are often called ________.

Question 2: Emission of photons from atoms in various excited states leads to an ________ showing a series of characteristic emission lines (including, in the case of the hydrogen atom, the Lyman, Balmer, Paschen and Brackett series.)
Gamma rayMicrowaveX-rayElectromagnetic spectrum

Question 3: An atom in a high excited state is termed ________.
Quantum mechanicsBohr modelElectronRydberg atom

Question 4: In quantum mechanics an excited state of a system (such as an ________, molecule or nucleus) is any quantum state of the system that has a higher energy than the ground state (that is, more energy than the absolute minimum).

Question 5: The ground state of the hydrogen atom corresponds to having the atom's single ________ in the lowest possible orbit (that is, the spherically symmetric "1s" wavefunction, which has the lowest possible quantum numbers).

Question 6: By giving the atom additional energy (for example, by the absorption of a ________ of an appropriate energy), the electron is able to move into an excited state (one with one or more quantum numbers greater than the minimum possible).
PhotonStandard ModelQuarkParticle physics

Question 7: a condensed phase made completely of excited atoms: ________.
HydrogenRydberg matterCaesiumHelium

Question 8: A simple example of this concept comes by considering the ________.
DeuteriumQuantum mechanicsHydrogen atomElectron

Question 9: The lifetime of a system in an excited state is usually short: spontaneous or induced emission of a quantum of energy (such as a photon or a ________) usually occurs shortly after the system is promoted to the excited state, returning the system to a state with lower energy (a less excited state or the ground state).

Question 10: The ________ of a group of particles is indicative of the level of excitation.
Thermodynamic temperatureWater vaporLightningTemperature


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