WorksheetsU4 Electrons & EM Radiation Review
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
When an electron in an excited state moves from n = 4 to n = 1, what wavelength of energy is emitted? (a) nm ( Number ONLY)
2.
In what region of the EM spectrum is energy emitted when an electron moves from n = 5 to n = 2?
a)
IR
b)
Visible
c)
Ultra Violet
3.
When an electron in an excited state moves from n = 6 to n = 3, what wavelength of energy is emitted? (a) nm ( NUMBER ONLY)
4.
When an electron moves from n = 4 to 2, what color of visible light is emitted?
a)
Blue
b)
Violet
c)
Green
d)
Yellow
e)
Orange
5.
What color of visible light will 584 nm = 5.84 x 10^–7 m emit?
a)
Yellow
b)
Violet
c)
Blue
d)
Green
e)
Orange
6.
has the highest frequency?
a)
Gama - Rays
b)
Radio Waves
c)
Micro Waves
d)
Infra Red Waves
e)
Visible Light
7.
consists of the longest wavelength?
a)
Radio Waves
b)
Micro Waves
c)
Infra Red Waves
d)
Visible Light
e)
Ultra Violet Waves
8.
gives off the highest energy?
a)
Gama - Rays
b)
Radio Waves
c)
Micro Waves
d)
Infra Red Waves
e)
Visible Light
9.
has a frequency just greater than that of visible light?
a)
Ultra Violet Waves
b)
Radio Waves
c)
Micro Waves
d)
Infra Red Waves
e)
Visible Light
10.
has energy just greater than radio waves?
a)
Micro Waves
b)
Radio Waves
c)
Infra Red Waves
d)
Visible Light
e)
Ultra Violet Waves
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