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Unformatted text preview: The degree to which a substance conducts heat. A measure for current flowing through a semiconductor. Nuclei surrounded by a "sea" of electrons. How easily light bounces off the surface of a substance. Analysis Which of the following pairs of metal is most likely to form alloys of all compositions? 56 Ba and 31 Ga 50 Sn and 82 Pb 3 Li and 83 Bi Which of the following pairs of metals is most likely to form alloys of all proportions? 55 Cs and 49 In 82 Pb and 19 K 37 Pt and 79 Au Which of the following is NOT why alloys are useful to us today? Alloys have lower melting temperatures. have a higher conductivity rate. are less malleable. reduce weight in objects. How do metals and semiconductors change with increasing temperatures? Metals become less resistive and semicoductors more resistive. Metals and semiconductors become less resistive. None of the above. Check Answers Choose a different chapter....
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- Spring '10