Review Homework For Quantum Mechanics And Electron Configuration

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Showing revision 22
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?

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5. What equation did Schrodinger solve? _____________________________ 2017-2018 Students do not answer

What did his solutions show about the electron (hint 3D space)? _____________________2017-2018 Students do not answer

6. Define Hund's Rule ______________________________________________________________

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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.2017-2018 Students do not answer

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12. #n = ____ - _____2017-2018 Students do not answer

13. Circle the one that is located on the Periodic Table: Atomic Number or Mass Number. 2017-2018 Students do not answer

14. Define Valence electron: _____________________________ and

how can you find from the Periodic Table: _______________________

15. Define atomic mass. 2017-2018 Students do not answer
:

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

2017-2018 Honors Student do not do any part of Question 4

4.Give the #p,#n and #e for the following isotopes:

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.

2017-2018 Honors DO ALL parts of Question 5 & 6

5. What is the wavelength (in nm) of energy that is 4.63E-19J?

6. What is the energy ( in J ) for an energy with a wavelength of 543