Exam 9: Chemical Reactions

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

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

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

In the quantum model of the atom, the location of the electron is described in terms of ______________.

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

According to the Bohr theory, the probability of finding a hydrogen atom's ground-state electron 0.053 nm from the proton is

Microwave ovens work mainly by exciting molecules of the substance named ______________.

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

The concept of matter waves reflects the observation that particles such as electrons sometimes act like ______________.

Einstein's special theory of relativity deals with objects that are

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

The planetary model of the atom is associated with

Removal of an electron from an atom leaves a

Matter waves are also called ______________ waves.

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

Matter waves were confirmed when it was found that electrons

The lines in the visible region of the hydrogen spectrum are known as the

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

The principle that states that the exact position and the velocity of an object can never be known simultaneously is called ______________ principle.

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