The ground state electronic configuration for sodium is 1s22s22p63s1 . What is the orbital quantum number of the last (3s1) electron?
a. 3 b. 1
c. 2 d. 0
d
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The mass number is equal to the number of what particles in the nucleus?
A) protons B) neutrons C) nucleons D) electrons E) positrons.
In a fission bomb explosion, how many neutrons [on the average] created during the fission of a 235U nucleus cause further fission in other uranium nuclei?
A) None B) Less than one C) More than one D) One E) Ten
In an engine operating in the Otto cycle, the final volume of the fuel-air mixture is one sixth the initial volume. Assume ? = 1.4 . The maximum theoretical efficiency of this cycle, in per cent, is
a. 17. b. 49. c. 51. d. 56. e. 83.
In using Ampere's law, the integral must be evaluated
A) around a path that lies in a plane. B) in a clockwise direction. C) around a closed path. D) around a circular path. E) in a counter-clockwise direction.