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Chapter 5 Review “Electrons in Atoms”. Pre-AP Chemistry Charles Page High School Stephen L. Cotton. Chapter 5 Review. What is the next atomic orbital in the series: 1s, 2s, 2p, 3s, 3p, ? In Bohr’s model of the atom, where are the electrons and protons located?

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chapter 5 review electrons in atoms

Chapter 5 Review“Electrons in Atoms”

Pre-AP Chemistry

Charles Page High School

Stephen L. Cotton

chapter 5 review
Chapter 5 Review
  • What is the next atomic orbital in the series: 1s, 2s, 2p, 3s, 3p, ?
  • In Bohr’s model of the atom, where are the electrons and protons located?
  • What is the basis for exceptions to the aufbau diagram?
  • How does the energy of an electron change when the electron moves closer to the nucleus?
chapter 5 review3
Chapter 5 Review
  • If the spin of one electron in an orbital is “clockwise”, what is the spin of the other electron in that orbital?
  • What is the approximate energy of a photon having a frequency of 4 x 107 Hz? (h = 6.6 x 10-34 J . s)
  • Which of the following would be most stable: a) 4d55s1, or b) 4d45s2
chapter 5 review4
Chapter 5 Review
  • How many unpaired electrons are in a sulfur atom (Z = 16)?
  • According to the Heisenberg uncertainty principle, if the position of a moving particle is known, what other quantity CANNOT be known?
  • Which of the following has the highest frequency: a) x-rays, or b) gamma rays
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Chapter 5 Review
  • What is the electron configuration of potassium?
  • What is the number of electrons in the outermost energy level of an oxygen atom?
  • How does the speed of visible light compare with the speed of gamma rays, when both speeds are measured in a vacuum?
chapter 5 review6
Chapter 5 Review
  • The principal quantum number indicates what property of an electron?
  • Which scientist developed the quantum mechanical model of the atom?
  • In the Bohr model of the atom, an electron in an orbit has a fixed ___.
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Chapter 5 Review
  • What is the maximum number of electrons in the second principal energy level?
  • If three electrons are available to fill three empty 2p atomic orbitals, how will the electrons be distributed?
  • What is the wavelength of a wave that has a frequency of 60 MHz?
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Chapter 5 Review
  • When an electron moves from a lower to a higher energy level, the electron _____.
  • According to the aufbau principle, electrons enter orbitals of ___ first.
  • What is the maximum number of “f” orbitals in any single energy level of an atom?
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Chapter 5 Review
  • What is the frequency of a photon having an energy 5 x 10-24 J? (h = 6.6 x 10-34 J . s)
  • What types of atomic orbitals (s, p, d, or f) are in the third principal energy level?
  • How would the atomic emission spectra of a sodium atom on Earth compare with sodium in the sun?
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Chapter 5 Review
  • How many energy sublevels are in the second principal energy level?
  • Emission of light from an atom occurs when an electron _____.
  • Who predicted that all matter can behave as waves as well as particles?
  • What are quanta of light called?
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Chapter 5 Review
  • Stable electron configurations are likely to contain ____.
  • What is the maximum number of “d” orbitals in a principal energy level?
  • How are frequency and wavelength of light related?
  • What is the maximum number of orbitals in the p sublevel?
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Chapter 5 Review
  • Which electron configuration would be more stable: a) 4f7, or b) 4f14
  • Which variable is directly proportional to frequency: a) energy, or b) wavelength?
  • Which color of visible light has the shortest wavelength?
  • The quantum mechanical model of the atom involves the _____.
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Chapter 5 Review
  • How many electrons are in the highest occupied energy level of a neutral atom of each of the following: a) chlorine atom; b) copper atom; c) strontium atom?

End of Chapter 5 Review