Two protons are released from rest, with only the electrostatic force acting. Which of the following statements must be true about them as they move apart? (There could be more than one correct choice.)
A) Their electric potential energy keeps increasing.
B) Their kinetic energy keeps increasing.
C) Their kinetic energy keeps decreasing.
D) Their electric potential energy keeps decreasing.
E) Their acceleration keeps decreasing.
B, D, E
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Which of the following is an organic molecule?
A) N2H4 B) B2O2 C) C2H4 D) H2O2
Suppose we subject a golf ball and a more massive lead ball to identical net forces. Then, compared to the golf ball, the lead ball must have
A) a larger acceleration. B) a larger speed. C) a smaller speed. D) a smaller acceleration. E) None of the above answers is necessarily true.
What would be the greatest effect of the finite size of molecules on the ideal gas law?
A) At low densities, the pressure would be less than that predicted by the ideal gas law. B) At high densities, the pressure would be less than that predicted by the ideal gas law. C) At high densities, the pressure would be greater than that predicted by the ideal gas law. D) At low densities, the pressure would be higher than that predicted by the ideal gas law. E) There is no effect.
Exclusion Principle: An atom with atomic number 6 is in its ground state. How many electrons are in its outermost shell?
Fill in the blank(s) with the appropriate word(s).