Exam 9: Atomic Physics

As the speed of an object increases,its wavelength

Both line emission and line ______________ spectra are characteristic for a specific element.

The lowest energy level of an atom (n = 1)is called the ______________.

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

Calculate the frequency in hertz of photons of light with energy of 8.10 × 10^-19 J.

Calculate the radius in nanometers of the Bohr orbit of a hydrogen atom's electron with n = 6.

Dispersing light from a hot,low-pressure gas gives a spectrum of the type known as (two words)______________ ______________.

The ""billiard ball model" of the atom is associated with

The "particle" of light given off by an excited electron when it loses energy is called a(n)______________.

When many of the atoms or molecules in a sample have been excited into a metastable state,a(n)______________ has occurred.

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

For a specific element,photons of how many different energies could be emitted by electrons in the n = 2 level as they return to the n = 1 level?

The unit called the hertz (Hz)is equivalent to