Section 28.2
The Quantum Model of the Atom
Practice Test
1.
Which of the following represents the Bohr quantization condition?
a.
2
n
=
λπr
b.
r
/
λ
=
h
/2
π
c.
2
πrh
=
nλ
d.
nλ
= 2
πr
Hint
2.
What device uses stimulated emission to produce an avalanche of photons, having the same wavelength and their minima and maxima at the same times?
a.
spectroscope
b.
laser
c.
diffraction grating
d.
semiconductor
Hint
3.
_________ is the study of the properties of matter using its wave properties.
a.
Wave dynamics
b.
Quantum mechanics
c.
Electromagnetism
d.
Thermodynamics
Hint
4.
The __________ is the region in which there is a high probability of finding an electron.
a.
emission region
b.
electron cloud
c.
quantum model
d.
electron radius
Hint
