Chapter 5 Review

1
Chapter 5 Review
2
Vocabulary

• Discrete bundle of energy
• Energy needed to move an electron from one energy
  level to another
• Separation of light into different wavelengths

3
Vocabulary

• Number of wave cycles passing a point per unit of
  time
• Distance between wave crests
• Frequencies of light emitted by an element

4
Vocabulary

• Region of high probability of finding an electron
• Lowest energy level
• Arrangement of electrons around atomic nucleus

5
Vocabulary

• States the impossibility of knowing both velocity
  and position of a moving particle at the same
  time
• Tendency of electrons to enter orbitals of lowest
  energy first
• Each orbital has at most two electrons

6

• The principal quantum number indicates the _____
  ______ of an electron.
• In the Bohr model, an electron in an orbit has a
  fixed ______.
• In Bohrs model, the ______ move around the
  _______ which are at the center of the atom.
• How many energy sublevels are in the each
  principal energy level?

7

• How many s, p, d, and f orbitals are there in
  each energy level?
• What is the maximum number of electrons in each
  energy level?
• What types of orbitals are in each energy level?
• The sublevel letter indicates the orbital ______.

8

• If the spin of one electron in an orbital is
  clockwise, then the spin of the other electron is
  ________.
• If three electrons are available to fill a p
  sublevel, how will they be distributed?
• Stable electron configurations contain ______
  energy sublevels.

9

• Which electromagnetic waves have the highest
  frequency? Lowest frequency?
• How are wavelength and frequency related?
• What is directly proportional to frequency?
• When does emission of light occur?

10
Write electron configurations and tell number of
electrons in the highest energy level

• Germanium
• Sulfur
• Lithium
• Calcium
• Boron
• Chromium

11
Calculations

• Determine the energy of a photon having a
  frequency of 7.3 x 106 Hz.
• Calculate the frequency when the wavelength is
  4.92 x 10-8 m.