Review Homework For Quantum Mechanics And Electron Configuration

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Please provide the most appropriate answer in the space available.

1. ___________ and ___________________ particles play by classical mechanical rules.
Whereas, ____________ and ________________ particles play by quantum mechanical rules.

2. A node is ____________________________________________________

How many nodes in the third energy level? ____________________

3. ________________________ said that energy comes in quanta (small packages) and you can tell how large the energy size by the _______ of the energy.

4. State Heisenberg Principle and what does it tell us about the electron?

___________________________________________________________________________________________

___________________________________________________________________________________________

5. What equation did Schrodinger solve? _____________________________

What did his solutions show about the electron (hint 3D space)? _____________________

6. Define Hund's Rule ______________________________________________________________

____________________________________________________________________________________

7. How many electrons will fill the 2nd energy level? _____________________

8. How many orbitals are in the fourth energy level? ______________________

9. How many electrons do you need to fill the 4th row of Periodic Table? ________________

10. Can you have a 3f subenergy level and why? ________________________________

11. Define isotope and give the symbolic representation of an isotope.

_________________________________________________________________________

12. #n = ____ - _____

13. Circle the one that is located on the Periodic Table: Atomic Number or Mass Number

14. Define Valence electron: _____________________________ and

how can you find from the Periodic Table: _______________________

15. Define atomic mass:

Write the electron configurations for the following elements. Make sure to separate the last subenergy level into its orbitals. Where appropriate, give the # of valence electron.

1. As

2. Ag

3. Bi

4.Give the #p,#n and #e for the following isotopes:(Do not do for 2013-2014)

a. Ca-42

b. C-13

c. U-238

After printing out the tables in [Two Calculating Atomic Mass Table], use the information from your table of isotopes to calculate the atomic mass of sulfur and oxygen. (Do not do for 2013-2014)