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Question
I have to write a comparative essay on the Origin of Coal (swamp forests vs. marine deposition) This is for PHSC 210 Liberty University Online. I need to know where I can find information to write my paper on this subject.
Question
Deuterium has one proton and one neutron in its nucleus surrounded by one electron. Is deuterium an element, an ion, an isotope, and/or a molecule? Why?
a. Deuterium is an ion of hydrogen because it has fewer electrons than hydrogen.
b. Deuterium is an element next to hydrogen, because it has one proton more than hydrogen.
c. Deuterium is an isotope of hydrogen because it has one neutron more than hydrogen.
d. Deuterium is an ion of hydrogen because it has more electrons than hydrogen.
Question
Which kind of spectrum is produced by a white household incandescent lightbulb?
a. An absorption spectrum.
b. A blackbody spectrum.
c. An emission spectrum.
d. An infrared spectrum.
Question
What kind of spectrum does a neon sign produce?
a. An absorption spectrum.
b. A continuous spectrum.
c. An emission spectrum.
d. A blackbody spectrum.
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