Exam 9: Atomic Physics

The transitions of an electron in the hydrogen atom to the n = 3 level result in the

For a specific element,photons of how many different energies could be absorbed by electrons to jump from the n = 1 to n = 5 level?

Which phenomenon shows that quanta of light,or photons,exist?

In terms of energy levels of electrons,a potential well has

If the energy of n = 4 is -0.85 eV and that of n = 2 is -3.40 eV in a hydrogen atom,a transition from n = 4 to n = 2 will release a photon of what energy?

The greater the frequency of light,the greater the ______________ of its photons.

Calculate the radius in nanometers of the orbit of a hydrogen atom's electron with n = 5.

Dispersing light from a hot wire gives what type of spectrum?

The number of electrons in a hydrogen atom is ______________.

Who discovered the nucleus of the atom in 1911?

A CD player uses a laser whose light frequency is 3.85 × 10¹⁴ Hz.Calculate the energy,in joules,of the photons.

The term probability is associated with the model of the atom proposed by

Atomic physics deals mainly with phenomena involving which particles in atoms?

The ancient Greek who is known for championing the concept of the atom was named ______________.

The lines in the visible region of the hydrogen spectrum arise from transitions from higher levels back to the level where n equals

Who discovered the electron in 1897?

In terms of a combination of three other symbols,the wavelength (λ)of a moving particle is equal to ______________.

As the speed of an object decreases,its wavelength

The calculation of electron energy levels in the hydrogen atom was done first by

How much energy must be absorbed to ionize a hydrogen atom whose electron is in the ground state (n = 1)?