1. Which set of values is not correct for an electronoccupying a 4d orbital?

A. n = 4, l = 2, ml = 0 B. n = 4, l = 2, ml = –1/2 C. n= 3, l = 4, ml = 1 D. n = 3, l = 1, ml = 1

2. Which set of quantum numbers correctly describes anelectron in the outermost orbital of a sulfur atom?

A. n = 3, l = 2, ml = –2 B. n = 2, l = 1, ml = –1C. n = 2, l = 0, ml = 0 D. n = 3, l = 1, ml = –1

3. At a node, the probability of finding anelectron is ___ %.

A. 0 B. 1 C. 50 D. 100

4.The electron configuration of a germanium atomis

A. [Ar]4s 24p 2 . B. [Ar]4s 23d 104p 2 . C. [Kr]4s 23d104p 2 . D. [Kr]4s 23d 104p 2 .

5. The electron configuration of a carbon atomis

A. [He]2s 22p 6 . B. [He]2s 22p 4 . C. [He]2s 22p 2 . D.[He]2s 2 .

6. “No two electrons in an atom may have the samevalues for all four quantum numbers” is

A. Hund’s rule. B. deBroglie’s hypothesis. C. Pauli’sexclusion principle. D. Heisenberg’s uncertaintyprinciple.

7. Which of the following does not apply to theprincipal quantum number?

A) The higher the value, the greater the averagedistance of the electron from the nucleus. B) Integer values of 1or greater are possible. C) Both A and B. D) None of theabove.

8. Which of the following does not apply to the angularmomentum quantum number?

A) All integer values are allowed. B) The valuecorresponds to the general shape of the orbital. C) The largestpossible value depends on the value of the principal quantumnumber. D) Negative values are not allowed.

9. The possible values of the magnetic quantum numberdepend on the value of the angular momentum quantumnumber.

A) True B) False

10. The possible values of the electron spin quantumnumber depend on the value of the magnetic quantumnumber.

A) True B) False

11. Which of the following electron configurations doesnot correspond to a ground state atom?

A) 1s22s22p63s23p64s1 B) 1s22s22p63s23p63d1 C)1s22s22p63s23p6 D) 1s22s22p6

12. Which of the following is not a possible electronconfiguration for a ground state or excited stateatom?

A) 1s22s22p63s23p63d1 B) 1s22p63s23p64s1 C)1s21p62s22p63s23p64s1 D) 1s12s12p13s13p13d1

13. Which of the following atoms is paramagnetic in theground state?

A) Na B) Mg C) Ar D) None of the above

14. Irregularities from the expected electronconfigurations based on the Aufbau principle and Hund's rule occurfor certain

A) alkali metals. B) transition metals. C) halogens. D)all of the above.

15. Which of the following are all the values forquantum number ml when n = 4?

A) 0, 1, 2, 3 B) 1, 2, 3, 4 C) -3,-2,-1, 0, 1, 2, 3 D)-4,-3,-2,-1, 0, 1, 2, 3, 4 E) -1/2, +1/2

16. What is the maximum number of orbitals that can becontained in the 5th shell of an atom? (not including innershells)

A) 5 B) 25 C) 2 D) 8 E) 18

Answer rating: 100% (QA)

The detailed answer for the above question is provided below 1C Explanation for 4d orbital n4l2ml21012 2D Explanation for sulphur is22s22p63s23p4 so l... View the full answer