What is the electron configuration for ground state Li, which has 3 electrons?
A) 1s3
B) 1s12s2
C) 1s22s1
D) 1s21p1
E) 1s11p2
C
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Which of the following is true of Population II stars?
A) They are located in the disk component of the galaxy. B) They have randomly tipped orbits with a wide range of shapes. C) They have higher metal content than Population I stars. D) They are post-main sequence stars.
Consider the standing wave on a guitar string and the sound wave generated by the guitar as a result of this vibration. What do these two waves have in common?
A) They have the same velocity. B) They have the same wavelength. C) They have the same frequency. D) They have nothing in common.
The idea in fission-bomb design is to
A) form a supercritical mass from one or more subcritical masses. B) bring neutrons and subcritical uranium together. C) both of these D) neither of these
Electric charge is measured in units of
a. coulombs. b. watts. c. volts. d. newtons.