Exam 9: Atomic Physics

The transitions of an electron in the hydrogen atom to the n = 2 level result in the

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

The "billiard ball model" of the atom is associated with a scientist named ______________.

The interior of a large mass of food in a microwave oven must be heated mainly by

The energy levels of electrons in atoms are ______________,which means that only certain values of energy are allowed.

Einstein won the Nobel Prize for explaining

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

Which element was detected in the Sun before it was found on Earth?

In the electron cloud model,or quantum model,of the atom,the focus is on the ______________ nature of the electron.

Aristotle's "continuous" model of matter was proved wrong about 1807 by

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

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

Tripling the frequency of a photon would ______________ its energy.

Doubling the wavelength of a photon would ______________ its energy.

The most modern model of the atom is known as the ______________ model.

Which is not a possible value for the principal quantum number n?

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

The energy differences in some of the rotational energy levels of the water molecule allow cooking with ______________.

Which of the following principal quantum number values is impossible?

Theoretical limits on measurement accuracy are set by a principle associated with which scientist?