Ch205 Quiz

1. What is the frequency (s-1) of electromagnetic radiation that has a wavelength of 0.53 m?
A) 5.7 × 108
B) 1.8 × 10-9
C) 1.6 × 108
D) 1.3 × 1033
E) 1.3 × 10-33
2. The energy of a photon of light is __________ proportional to its frequency and __________ proportional to its wavelength.
A) inversely, inversely
B) inversely, directly
C) directly, inversely
D) indirectly, not
E) directly, directly
3. What is the wavelength of light (nm) that has a frequency of 3.22 × 1014 s-1?
A) 9.32 × 10-7
B) 1.07 × 106
C) 649
D) 9.66 × 1022
E) 932
4. The energy of a photon that has a wavelength of 12.3 nm is __________ J.
A) 1.62 × 10-17
B) 4.42 × 10-23
C) 2.72 × 10-50
D) 1.99 × 10-25
E) 1.51 × 10-17
5. The energy (J) required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is __________ J.
A) 3.00 × 10-19
B) 4.60 × 1014
C) 4.00 × 10-19
D) -7.90 × 10-19
E) -3.00 × 10-19
6. When the electron in a hydrogen atom moves from n = 8 to n = 2 light with a wavelength of __________ nm is emitted.
A) 389
B) 657
C) 93.8
D) 411
E) 487
7. The wavelength of an electron whose velocity is 1.7 × 104 m/s and whose mass is 9.1 × 10-28 g is __________ m.
A) 12
B) 4.3 × 10-8
C) 4.3 × 10-11
D) 2.3 × 10-7
E) 2.3 × 107
8. There are __________ orbitals in the third shell.
A) 16
B) 25
C) 1
D) 4
E) 9
9. The azimuthal quantum number is 3 in __________ orbitals.
A) p
B) d
C) s
D) f
E) a
10. __________-orbitals are spherically symmetrical.
A) g
B) p
C) s
D) f
E) d
11. The 4d subshell in the ground state of atomic xenon contains __________ electrons.
A) 2
B) 6
C) 8
D) 10
E) 36
12. The electron configuration of a ground-state Ag atom is __________.
A) [Kr]5s24d10
B) [Kr]5s14d10
C) [Ar]4s24d9
D) [Kr]5s23d9
E) [Ar]4s14d10
13. In general, as you go across a period in the periodic table from left to right:
(1) the atomic radius __________;
(2) the electron affinity becomes __________ negative; and
(3) the first