 |
1 | |
Calculate the wavelength, in nanometers, of visible light having a frequency of 4.37 x 10
14s-1. |
| | A) | 12.0 nm |
| | B) | 343 nm |
| | C) | 686 nm |
| | D) | 674 nm |
| | E) | None of the above. |
|
|
2 | |
For the hydrogen atom, En = -(1/n2)RH, where RH = 2.18 x 10-18 J. The wavelength of the transition from the ground state to the n = 3 state is: |
| | A) | 1.03 x 10-7 m |
| | B) | 6.56 x 10-8 m |
| | C) | -1.03 x 10-7 m |
| | D) | -6.76 x 10-8 m |
| | E) | 4.27 x 10-8 m |
|
|
3 | |
Which of the following is not a possible value of ml for an electron with l = 2? |
| | A) | -1 |
| | B) | 0 |
| | C) | +1 |
| | D) | +2 |
| | E) | +3 |
|
|
4 | |
The set of quantum numbers that correctly describes an electron in a 3p orbital is: |
| | A) | n = 3; l = 0; ml = 0; ms = 0 |
| | B) | n = 3; l = 2; ml = -2, -1, 0, 1, or 2; ms = +1/2 or -1/2 |
| | C) | n = 3; l = 1; ml = -1, 0, or 1; ms = +1/2 or - 1/2 |
| | D) | n = 4; l = 0; ml = -1, 0, or 1; ms = +1/2 or -1/2 |
| | E) | None of the above. |
|
|
5 | |
What is the total number of orbitals associated with the principle quantum number n = 2? |
| | A) | 1 |
| | B) | 2 |
| | C) | 3 |
| | D) | 4 |
| | E) | None of the above. |
|
|
6 | |
What is the maximum number of electrons that can be accommodated in the shell with n = 4? |
| | A) | 32 |
| | B) | 18 |
| | C) | 24 |
| | D) | 10 |
| | E) | None of the above. |
|
|
7 | |
An atom of chromium has ___ unpaired electrons and is ___. |
| | A) | 3, diamagnetic |
| | B) | 5, diamagnetic |
| | C) | 3, paramagnetic |
| | D) | 5, paramagnetic |
| | E) | 6, paramagnetic |
|
|
8 | |
The electronic configuration and filling order of the element whose atomic number is 26 is: |
| | A) | 1s22s22p63s23p64s03d8 |
| | B) | 1s22s22p63s23p63d64s2 |
| | C) | 1s22s22p63s23p64s23d6 |
| | D) | 1s22s22p63s23p64s23d44p2 |
| | E) | None of the above. |
|
|
9 | |
An atom in its ground state contains 33 electrons. How many of these electrons are in p orbitals? |
| | A) | 15 |
| | B) | 12 |
| | C) | 3 |
| | D) | 33 |
| | E) | None of the above. |
|
|
10 | |
Using the noble gas core designation, which of the configurations below correctly describes the ground state electron configuration of Cu? |
| | A) | [Ne]4s23d9 |
| | B) | [Ar]4s23d9 |
| | C) | [Kr]4s13d10 |
| | D) | [Ar]4s13d10 |
| | E) | None of the above. |
|