When introduced into a region where an electric field is present, an electron with initial velocity 
will eventually move
A. along an electric field line, in the positive direction of the line.
B. along an electric field line, in the negative direction of the line.
C. to a point of decreased potential.
D. to a point of increased potential.
E. as described in both (b) and (d).
Answer: D
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A section of DNA that does not correspond to a known protein is referred to as
A) redundant B) recombinant C) unencoding D) noncoding
The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 4, there will be how many permitted orbital magnetic quantum numbers allowed?
a. 3 b. 4 c. 8 d. 9 e. 16
Van der Waals bonding is due to
A) the transfer of electrons between atoms. B) atoms bonding to hydrogen molecules. C) unequal charge distribution around neutral molecules. D) the sharing of electrons between atoms.
Lack of knowledge of the phenomenon called ______________ led Lord Kelvin to an incorrect estimate of the age of Earth
Fill in the blank(s) with correct word