Hard Why is a forbidden gap not a physical empty space in a solid? AIt means the material contains no atoms BIt means every electron escaped CIt is a gap to the casing DIt is an energy range with no allowed electron states EIt is a physical void containing no atoms Report a problem with this question What is wrong? The marked correct answer is wrongAn option is wrong or repeatedSpelling or wording mistakeSomething else Details (optional) Send report
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