13. Liquids, Solids & Intermolecular Forces
Crystalline Solids
3:57 minutes
Problem 104
Textbook Question
Textbook QuestionGallium arsenide, a material used to manufacture laser printers and compact disc players, has a band gap of 130 kJ/mol. Is GaAs a metallic conductor, a semiconductor, or an electrical insulator? With what group 4A element is GaAs isoelectronic? (Isoelectronic substances have the same number of electrons.)
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