Alkali metals have how many electrons past the noble gas configuration?
A. 1
B. 2
C. 3
D. 4
E. 5
A. 1
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According to Lenz's law, the direction of an induced current in a conductor will be that which tends to produce which of the following effects?
A) enhance the effect which produces it B) produce a greater heating effect C) produce the greatest voltage D) produce the smallest voltage E) oppose the effect which produces it
The eyepiece of a compound microscope has a focal length of 2.50 cm and the objective has a focal length of 1.60 cm
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Which of the Galilean moons is essentially a dirty, icy rock?
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