A substance in which the valence and conduction bands
Chapter 11, Problem 98(choose chapter or problem)
A substance in which the valence and conduction bands overlap is (a) a semiconductor; (b) a metalloid; (c) a metal; (d) an insulator. Br2(l); CO3 CH 2-. HS 4; -; H2; sp3; sp3d; sp3d2. XeF2 sp; H2 -H2 Li2; He2; . +; NO3 H2Se. -; I3 PCl3; -; H2S, 90; 90. 109 120; H2S; H2Se N2; SO2; He2. PCl5; sp2 s p C6H6; s-bond s p sp 2*p 2;
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