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a) From the following sets of quantum numbers (n, L, mL, ms), identify the set that is correct and state the orbital designation for those quantum numbers. 

(3, 1, 1, 0) (2, 2, 1, -1/2) (0, 1, 1, ½) (3, 2, 0, ½)

 

b) For the following groups of elements, select the one that has the property noted 

-The largest atom: Mg, Mn, Mo, Ba, Bi, Br

-The lowest first ionization energy: B, Sr, Al, Br, Mg, Pb.

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Related questions


Which two groups on the periodic table (based on this picture) do not predictably ionize? and Why?

1) What are the possible orbitals for n=3?

  1. s, p, d
  2. s, p, d, f
  3. s
  4. s, p

 

2) What value of ℓ is represented by a d orbital?  

  1. 1
  2. 2  
  3. 0
  4. 3

 

3) How many orbitals are contained in the third principal level (n=3) of a given atom?

  1. 9
  2. 3
  3. 18
  4. 7
  5. 5

 

4) Which of the following statements is TRUE?

  1. The principal quantum number (n) describes the shape of an orbital.
  2. The angular momentum quantum number (ℓ) describes the size and energy associated with an orbital
  3. The magnetic quantum number (mℓ) describes the orientation of the orbital.
  4. An orbital is a path that an electron follows during its movement in an atom
  5. All of the above are true

 

5) Which of the following transitions represents the emission of a photon with the largest energy?

  1. n=2 to n=1
  2. n=3 to n=1
  3. n=6 to n=4
  4. n=1 to n=4
  5. n=2 to n=4

 

6) Choose the transition (in a hydrogen atom) below that represents the absorption of the shortest wavelength photon.

  1. n=1 to n=2
  2. n=2 to n=3
  3. n=4 to n=5
  4. n=6 to n=3
  5. n=3 to n=1

 

7) Each of the following sets of quantum numbers is supposed to specify an orbital. Choose the one set of quantum numbers that does not contain an error.

  1. n=2, ℓ =2, mℓ= +1
  2. n=2, ℓ=2, mℓ= 0
  3. n=3, ℓ=2, mℓ = -3
  4. n=4, ℓ=3, mℓ= -2
  5. n=4, ℓ=2, mℓ= +4

 

8) The element that corresponds to the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1 3d5 is:

  1. titanium
  2. vanadium
  3. chromium
  4. manganese
  5. iron

 

9) Give the ground-state electron configuration for I.

  1. [Kr] 5s2 4d10 5p6
  2. [Kr] 5s2 4d10 5p5
  3. [Kr] 4d10 5p6
  4. [Kr] 5s2 5p6
  5. [Kr] 5s2 5d10 5p6

 

10) Place the following elements in order of increasing atomic radius

            P                      Ba                    Cl

  1. Ba < P < Cl
  2. P < Cl < Ba
  3. Cl < P < Ba
  4. Cl < Ba < P
  5. Ba < Cl < P

 

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