What is "excluded" by the Pauli exclusion principle?
a. certain values of angular momentum
b. precise values of both position and momentum
c. electrons in the same quantum state
d. none of the above
c
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The neutral carbon atom consists of
a. one proton and one neutron. b. six protons. c. one proton, one neutron, and one electron. d. six protons and six electrons. e. an isotope and an ion.
Why is there a limit to how much compression can be counterbalanced by electron degeneracy pressure?
A) At extreme compression, the electron speeds approach the speed of light and therefore cannot increase further. B) At extreme compression, electrons are forced to stop moving, and once stopped there is nothing more they can do. C) At extreme compression, atoms are fully ionized, so electrons go free and can no longer exert pressure. D) The exclusion principle excludes electrons from exerting more pressure than the uncertainty principle would otherwise allow. E) Electrons are very small and are simply incapable of exerting much pressure.
What is the approximate diameter of the largest asteroid?
A) 100 km B) 10 km C) 1,000 km D) 1 km E) 10,000 km
Any massive object that is moving will
always have a) An unbalanced force acting on it. b) kinetic energy. c) angular momentum. d) potential energy.