Section 28.2
The Quantum Model of the Atom
Practice Test
1.
_________ is the study of the properties of matter using its wave properties.
a.
Electromagnetism
b.
Wave dynamics
c.
Quantum mechanics
d.
Thermodynamics
Hint
2.
The __________ is the region in which there is a high probability of finding an electron.
a.
quantum model
b.
electron radius
c.
emission region
d.
electron cloud
Hint
3.
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.
diffraction grating
b.
laser
c.
semiconductor
d.
spectroscope
Hint
4.
Which of the following represents the Bohr quantization condition?
a.
nλ
= 2
πr
b.
r
/
λ
=
h
/2
π
c.
2
n
=
λπr
d.
2
πrh
=
nλ
Hint