Defect chemistry could be the study of level defects in imperfect crystals. These incorporate vacancies, interstitial atoms or ions, trace things, electrons, or holes or almost every other deviation from the framework of an excellent crystal. Even Definitely pure crystals have stage defects at any temperature earlier mentioned complete zero. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share