Exam 9: Atomic Physics

Calculate the energy E_n (in eV) of a hydrogen atom's electron with n = 4.

For a specific element, photons of how many different energies could be emitted by electrons in the n = 4 level as they return to the n = 1 level?

Charged particles from the Sun enter Earth's atmosphere close to the magnetic poles and cause

The element named ______________ was detected spectroscopically on the Sun before it was found on Earth.

Calculate the energy E_n, in electron volts, of a hydrogen atom's electron with n = 6.

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

What is the energy of a photon with a frequency of 5.2 × 10¹⁴ Hz?

When an electron changes from n = 3 to n = 2, a(n) ______________ is given off.

The frequency and energy of a photon are ______________ proportional.

Calculate the de Broglie wavelength for an electron (m = 1 × 10^-30 kg) moving at 3.1 × 10⁶ m/s.

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

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

The concept of the dual nature of light indicates that electromagnetic waves sometimes act like ______________.

Tripling the frequency of a photon would ______________ its energy.

A useful instrument that makes use of the wavelike properties of electrons is the electron ______________.

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

Calculate the energy E_n, in electron volts, of a hydrogen atom's electron with n = 5.

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

One prediction of Einstein's special theory of relativity is that objects traveling close to the speed of light

An excited gas in a gas-discharge tube emits light that disperses into a(n) ______________ spectrum.