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15
×
In electromagnetic wave calculations, what is "h"?
Planck's constant= 6.626 x 10^-34 Jxs
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20
×
Why does each element have a different atomic emission spectra?
each element has a unique arrangement of electrons
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lifesaver
Give 25 points!
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seesaw
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shark
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thief
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5
×
What is the maximum number of electrons that can occupy energy level 1?
2
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seesaw
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gift
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shark
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thief
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15
×
Why can atomic emission spectra be used to identify unknown samples?
because the wavelengths emitted from each element are unique to that element (the color flame is unique to the element)
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15
×
How does an electron become "excited"?
The electron absorbs energy and jumps to a higher energy level.
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10
×
What is the symbol for wavelength?
Îŧ (lambda)
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seesaw
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shark
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fairy
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baam
Lose 20 points!
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15
×
What formula would you use to solve the following problem?: Calculate the wavelength of an EM wave with a frequency of 5.00x10^14 Hz.
c=Îŧv
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15
×
In electromagnetic wave calculations, what is "c"?
speed of light= 3.00x10^8 m/s/s
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15
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Electromagnetic waves with greater energy have (larger or smaller) wavelengths?
smaller
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5
×
How many valence electrons does every element in group/family 2 of the periodic table have?
2
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20
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What is the speed of light?
c = 3.00 x 10^8 m/s/s
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5
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What is the unit for frequency?
Hertz (Hz or 1/s or s^-1)
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10
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The atomic emission spectra uses which part of the Electromagnetic (EM) spectrum?
visible light
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