ARRANGEMENT SUMMARY

1.  Fill in the following table.

Element

Atomic #

Mass #

# of p+

# of no

# of e-

# of energy levels

number of e- in outer energy level

 

 

 

20

20

 

 

 

 

 

89

38

 

 

 

 

 

 

 

 

74

53

 

 

 

 

27

 

 

 

3

3

2.  How do you determine the maximum number of electrons in an energy level?

3.  How do you determine the number of sublevels in an energy level?

4.  How do you determine the maximum number of orbitals in an energy level?

5.  Set up the diagonal rule through 7 lines.

6.  What is Hund's Rule?

7.  Write the electron configurations, orbital notations, and electron dot diagrams for the following elements.
    (A) Selenium

   (B) Chlorine

(Honors only) 8.  Fill in the following chart concerning quantum numbers.

Quantum Number

Letter Designation

Information It Tells

Numerical Value

Principal (1st)

 

 

 

 

 

sublevel

 

 

m

 

 

 

 

 

+1/2 or -1/2

9.  When l = 2, the possible values for m are ______________________.

10.  For the element arsenic, assign quantum numbers for its electrons in the outermost energy level.

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