physics the difference of energy between the bottom of the conduction band and the top of the valence band of the electrons in a crystalline solid. For values below about 2eV the substance is considered to be a semiconductor whilst for higher values it is considered to be an insulator
What Does 🛹 Skateboard Emoji Mean?Duuude! The long-awaited skateboard emoji depicts a skateboard, shown from both the underside and the top side on various platforms.
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