Using quantum theories to study the hydrogen atom allows the prediction and experimental verification of many data about atoms such as He+ and Li2+. Some quantities that can successfully be predicted about He+ and Li2+ in this manner are:
a. the color of the light they will emit.
b. their mass.
c. their abundance in nature.
d. All of the above.
a
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Which terrestrial planet has the most moons?
A. Earth B. Mars C. Mercury D. Venus
Suppose the Sun had been born with more mass, making it larger and hotter. Which of the following consequences would we expect according to the nebular theory?
A) There would be no comets. B) Asteroids would have formed closer to the Sun. C) Jovian planets would have formed farther from the Sun. D) There would have been no solar nebula in which material could condense to form planets.
In the Ptolemaic model of the solar system, Venus should exhibit which of the following phases?
A) crescent B) new C) full D) A and B E) B and C
Which of the following statements is correct?
a. You only need to know the amount of thermal energy a body contains to calculate its temperature. b. The temperature of a body is directly proportional to the amount of work the body has performed. c. The quantity of thermal energy exchanged by two bodies in contact is inversely proportional to the difference in their temperatures. d. The quantity of thermal energy exchanged by two bodies in contact is directly proportional to the difference in their temperatures. e. Different amounts of thermal energy are transferred between two bodies in contact if different temperature scales are used to measure the temperature difference between the bodies.