In terms of mass, Jupiter is made mostly of
a. rock.
b. molten iron.
c. water.
d. hydrogen and helium.
e. carbon dioxide.
D
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What is the shortest wavelength of a photon that can be emitted by a hydrogen atom, for which the initial state is n = 3? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
A) 822 nm B) 850 nm C) 950 nm D) 91.4 nm E) 103 nm
Folded rock layers that resemble an arch are called ______________
Fill in the blank(s) with correct word
The natural sequence through which water from the oceans evaporates into the atmosphere and ultimately returns to the oceans is known as the
a. hydrous cycle. b. aqueous cycle. c. climactic cycle. d. hydrologic cycle.
Two electric charges each equal to -Q, are separated by a distance d. If you make a graph of the electric potential as a function of the distance along the line connecting the two charges, the point exactly midway between the two charges would
A) be a relative maximum. B) be a relative minimum. C) be neither a relative maximum nor a relative minimum. D) oscillate between being a relative maximum and a relative minimum.