8. What is the relationship between absorption and emission spectra? a.    The emission spectrum contains the same exact wavelengths as the absorption spectrum b.    The emission spectrum consists of all wavelengths that were missing in the absorption spectrum. 29. Potassium has 19 electrons, therefore: a.    It has 19 protons. b.    It has 19 neutrons, and its mass number is 38 c.    It has 19 electrons d.    It has no neutrons 30. Li: A 7; Z:3 Which of the following is its isotope? a.    Z: 6; A: 7  b.    Z: 5; A: 6 c.    Z: 4; A: 5 d.    Z: 3; A:9

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Chapter1: Chemical Foundations
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28. What is the relationship between absorption and emission spectra?
a.    The emission spectrum contains the same exact wavelengths as the absorption spectrum
b.    The emission spectrum consists of all wavelengths that were missing in the absorption spectrum.
29. Potassium has 19 electrons, therefore:
a.    It has 19 protons.
b.    It has 19 neutrons, and its mass number is 38
c.    It has 19 electrons
d.    It has no neutrons

30. Li: A 7; Z:3
Which of the following is its isotope?
a.    Z: 6; A: 7 
b.    Z: 5; A: 6
c.    Z: 4; A: 5
d.    Z: 3; A:9

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