Chapter 13 - Review

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					Chapter 13 – Review
Electrons in Atoms


   Milbank High School
     Chapter 13 - Review
What  scientist developed an
 atomic theory in the early 1800s?
Who discovered the electron?
How does the energy of an
 electron change when the
 electron moves closer to the
 nucleus?
     Chapter 13 - Review
What   scientist developed the
 quantum mechanical model of
 the atom?
How many energy sublevels are
 there in the second principal
 energy level?
What is the maximum number of
 d orbitals in a principal energy
 level?
     Chapter 13 - Review
What   is the maximum number of
 orbitals in the p sublevel?
What is the maximum number of
 electrons in the second principal
 energy level?
     Chapter 13 - Review
 When   an electron moves from a
  lower to a higher energy level, the
  electron ____ a quantum of
  energy.
 What did Rutherford’s experiment
  demonstrate?
 The quantum mechanical model
  exactly predicts which
  characteristic of electrons in an
  atom?
      Chapter 13 - Review
What   is the probability of finding
 an electron within the region
 indicated by the drawn electron
 cloud?
What types of atomic orbitals are
 in the third principal energy
 level?
     Chapter 13 - Review
Which    of the following energy
 levels has the lowest energy?
 3d or 4s
If three electrons are available to
 fill three empty 2p atomic
 orbitals, how will the electrons be
 distributed in the three orbitals?
     Chapter 13 - Review
What  is the next atomic orbital in
 the series: 1s, 2s, 2p, 3s, 3p, _?_
How many unpaired electrons
 are there in a sulfur atom?
 (atomic number =16)
     Chapter 13 - Review
What   is the number of electrons
 in the outermost energy level of
 an oxygen atom?
How many half-filled orbitals are
 there in a bromine atom?
What is the electron
 configuration of potassium?
    Chapter 13 - Review
What  statement says that no
more than two electrons can
occupy an atomic orbital, and
that two electrons in the same
orbital have opposite spins?
      Chapter 13 - Review
In order to occupy the same
 orbital, two electrons must have
 _____.
According to the Aufbau
 principle, electrons enter orbitals
 of _____ energy first.
     Chapter 13 - Review
Which   of the following electron
 configurations is the most
 stable? 4d55s1 or 4d45s2
Stable electron configurations
 are likely to contain _____.
     Chapter 13 - Review
Which   color of visible light has
 the shortest wavelength?
What are quanta of light called?
Who predicted that all matter can
 behave as waves as well as
 particles?
        Chapter 13 - Review
 The  amplitude of a wave is the
  measure of the ______.
 What is the wavelength of an
  electromagnetic wave that travels at
  3 x 108 m/s and has a frequency of
  60 Hz?
 What is the approximate energy of a
  photon having a frequency of 4 x 107
  Hz? (h = 6.6 x 10-34 J.s)
    Chapter 13 - Review
What  is the approximate
frequency of a photon having an
energy of 5 x 10-24 J? (h = 6.6 x
10-34 J.s)
       Chapter 13 - Review
The  lowest energy state of an
 atom is called the ______.
What is the approximate mass of
 a particle having a wavelength of
 1 x 10-7 m, and a speed of 1 m/s?
 (h = 6.6 x 10-34 J.s)

				
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posted:7/1/2013
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