Exam 31: Atomic Physics

In a transition from one vibrational state to another,a molecule emits a photon of wavelength 5.56 µm.What is the energy difference between these two states? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

How many electrons can be found with principal quantum number In a suitably heavy atom?

How many values of the magnetic quantum number,m_ℓ,are possible if the orbital angular momentum quantum number is ℓ = 2?

In a hydrogen atom,a given electron has n = 7.How many possible values can ℓ have?

To which of the following values of n does the longest wavelength in the Balmer series correspond?

A hydrogen atom is in its n = 2 excited state when its electron absorbs In an interaction with a photon.What is the energy of the resulting free electron?

According to the quantum mechanical model of the hydrogen atom,if the orbital angular momentum quantum number is ℓ,there will be how many permitted magnetic quantum numbers?

According to Pauli's exclusion principle,how many electrons in an atom may have a particular set of quantum numbers?

The value of a wavelength in the Balmer series is 372.1 nm.What is the corresponding value of n?

A hydrogen atom is in the 6h state.What is the principal quantum number.

Radio astronomers often study the radiation emitted by a hydrogen atom from a transition between the two hyperfine levels associated with the ground state.This radiation has a wavelength of 21 cm.What is the energy difference between the hyperfine levels? (1 eV = 1.60 × 10^-19 J)

The values of n and ℓ for a 4f subshell are

What frequency must a photon have to raise an electron in a hydrogen atom from the n = 2 to the n = 4 state? (h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

If a hydrogen atom in the ground state absorbs a photon of energy 12.09 eV,to which state will the electron make a transition?

The energy difference between adjacent orbit radii in a hydrogen atom

What is the longest wavelength in the Paschen series?

Light shines through atomic hydrogen gas that was initially in its ground state.You observe that after awhile much of the hydrogen gas has been excited to its n = 5 state.What wavelength of light entering the gas caused this excitation? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)