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Ch. 5 Test Clicker Review

Learn about Hund's Rule, Pauli Exclusion Principle, Aufbau Principle, orbital notations, noble gas configurations, isotopes, and more!

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Ch. 5 Test Clicker Review

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  1. Ch. 5 Test Clicker Review

  2. What is Hund’s Rule? • A. All electrons are negative • B. One electron occupies each orbital in a sublevel before a second one is added. • C. Only two electrons are allowed in each orbital and they must have opposite spins. • D. Electrons fill lower energy levels before filling higher energy levels. 

  3. What is the Pauli Exclusion Principle? • A. All electrons are negative • B. One electron occupies each orbital in a sublevel before a second one is added. • C. Only two electrons are allowed in each orbital and they must have opposite spins. • D. Electrons fill lower energy levels before filling higher energy levels. 

  4. What is the Aufbau Principle? • A. All electrons are negative • B. One electron occupies each orbital in a sublevel before a second one is added. • C. Only two electrons are allowed in each orbital and they must have opposite spins. • D. Electrons fill lower energy levels before filling higher energy levels. 

  5. What is the correct orbital notation for Phosphorus? • A.   • B.  • C.  • D.  

  6. Which orbital notations do not follow Hund's rule and/or the Aufbau Principle?  A. a and b B. a and c C. b and c D. c and d

  7. Which orbital notation does not follow the Pauli Exclusion Principle? B is incorrect, but it does not follow Hund's rule and D is incorrect, but it does not follow the Aufbau Principle. A.    B.  C.  D. 

  8. Which electron configuration does not follow the Aufbau Principle? • A. 1s22s22p63s23p64s2 • B. 1s22s22p63s23p3 • C. 1s22s22p63s23p63d3 • D. 1s22s22p63s23p63d34s2 

  9. What is the electron configuration of Phosphorus? • A. 1s22s22p63s23p64s2 • B. 1s22s22p63s23p3 • C. 1s22s22p63s23p63d3 • D. 1s22s22p63s23p63d34s2 

  10. Isotopes of an element differ in the number of • A. electrons • B. protons • C. neutrons • D. alpha particles 

  11. Noble gases are ___ because they have ___ outer energy levels. • A. reactive, filled • B. inert, partially filled • C. inert, filled • D. reactive, partially filled 

  12. Nitrogen- 16 has ___ neutrons and ___ protons  • A. 9,7 • B. 7,9 • C. 16,7 • D. 7,16

  13. What elements are present in the spectrum of this star? • A.  Element A and B • B. Element B and C • C. Element C and D • D. Element B and D 

  14. What particles are represented by orbitals?  • A. electrons only • B. neutrons only • C. protons and electrons only • D. protons only

  15. What Scientist first proposed a planetary model of the atom with specific energy levels for electrons?  • A. Bohr • B. Lavoisier • C. Schrödinger • D. Dalton

  16. A neutral atom of an element has the same number of ____ as protons. • A. neutrons • B. electrons • C. neutrons and electrons • D. particles 

  17. What is an orbital? • A. a cloud of electrons and protons based on probability • B. a cloud of neutrons based on probability • C. a cloud of electrons based on probability • D. a cloud of protons based on probability 

  18. Calculate the wavelength of light with a frequency of 4.30X1014 Hz. Speed of light = 2.998X108 m/s • A. 6.9X10-7 m • B. 6.97X10-7 m • C. 1.43X106 m • D. 1.4X106 m 

  19. The atomic number is always equal to the number of • A. electrons • B. neutrons • C. protons and electrons • D. protons 

  20. What is the noble gas configuration for iron?  • A. [Ar]4s23d6 • B. [Kr]4s24d6 • C. [Xe]3s23d6 • D. [He]4s22d6

  21. What noble gas would be used to write the noble gas configuration for Lead? • A. Ne • B. Rn • C. Kr • D. Xe 

  22. What number would be at the "?" For the electron configuration of Titanium? 1s22s22p63s23p63d?4s2  • A. 5 • B. 2    • C. 3 • D. 7 

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