Exam 9: Atomic Physics

According to Planck's hypothesis, the energy of an oscillator is directly proportional to its

In both the Bohr model and the Schrödinger model of the atom, the letter n is called the ______________.

Black light is a common name for the region of the EMR spectrum known as ______________.

Which of these colors of light has photons of greatest energy?

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

Glow-in-the-dark materials exhibit the phenomenon called

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

The color of the light in the visible region that has photons of the lowest energy is ______________.

Niels Bohr focused his attention on the element hydrogen because it

When an electron in an atom falls from a higher energy level to a lower one, a ______________ is ______________.

When a hydrogen electron is in its ground state, its principal quantum number is

The de Broglie wavelength of a particle is inversely proportional to both its speed and its

A quantum is a

Another name for quantum mechanics is ______________ mechanics.

For a specific element, photons of how many different energies could be emitted by electrons in the n = 3 level as they return to the n = 1 level?

Which of these instruments is based on the theory of matter waves?

The principal quantum number is symbolized by the letter ______________.

Which is a possible value for the principal quantum number n?

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

An electron is in its lowest energy level when