Which of the following is expected to be true in the carbonate ion, CO32-?
A) The carbon atom does not have an octet.
B) The carbon to oxygen bond lengths are the consistent with single bonds.
C) The carbon to oxygen bond lengths are the consistent with double bonds.
D) The carbon to oxygen bonds are shorter than single bonds but longer than double bonds.
D
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Fish survive through cold winters in ice-covered lakes due to water's
A. ability to trap oxygen. B. high specific heat capacity. C. poor heat conductivity. D. bottom temperature above that of freezing.
Which of the following contracts most when the temperature is decreased? Equal volumes of
A) iron. B) wood. C) water. D) helium. E) All contract the same.
The moon and Earth remain in a stable orbit due to their mutual gravitational attraction being offset by inertia
a. True b. False
In order to form a mesocyclone, the horizontal "tube" of air must
A) become elongated. B) become shortened. C) be tilted upward. D) be lifted upward and remain parallel to the ground.