Quantum Numbers       Name ______________________

  1. Louis de Broglie proposed that any particle of matter has a particular wavelength, calculated with the equation

     

  2. The current atomic theory ____________________________ describes the energy of an electron while describing its location only in terms of ____________________________
     
  3. The Greek symbol psi, ψ, represents ____________________________, used to describe electrons.
     
  4. Name this diagram and describe what it shows.
     
  5. All the possible values for the principal quantum number in the known atoms are

     

  6. The values for the angular quantum number are represented by the letters

     

  7. The magnetic quantum number describes the ____________________________
     
  8. A set of orbitals with the same value of n is called a(n) ____________________________

     

  9. A set of orbitals with the same n and l values is called a(n) ____________________________
     
  10. A shell with principal quantum number n will have ________________ subshells.
     
  11. A subshell with l = 0 has ________________ orbital(s).
     
  12. A subshell with l = 2 has ________________ orbital(s).
     
  13. The maximum number of electrons in any shell n, is equal to ________________
     
  14. The fourth quantum represents the ________________ of an electron.
     
  15. The possible values of ms are ________________
     
  16. The Pauli exclusion principle states that

     

     

  17. The "many-electron" atom has more than ____________________________
     
  18. The mass of a neutron is 1.67 X 10−24 gram. One picometer (pm) = 1 X 10−12 meter. Calculate the velocity of a neutron whose wavelength is 500 pm.
       
    1. Write de Broglie's equation.

       
       

    2. Manulipate de Broglie's equation to solve for V.

       
       

    3. Use dimensional analysis to solve the equation.