A dangling bond in amorphous silica is an example of what?
ADefect in amorphous solid
BPerfect silica lattice site
CSchottky vacancy pair
DClose-packed layer
Answer & Solution
Correct answer: A. Defect in amorphous solid
Oxygen normally bonds to two silicon atoms, so a singly bonded oxygen departs from the ideal and counts as a defect.
Related questions
Into which four broad classes are crystal defects commonly grouped?Atoms of different types exchanging positions in an ordered alloy produce which defect?Which small impurity atom can sit in the gaps of palladium without high energy?An impurity atom incorporated at a regular atomic site is called what kind of defect?An atom sitting where no atom normally belongs in the lattice is which defect?A lattice site that should hold an atom in a perfect crystal but is empty is called what?Which kind of defect is a Frenkel pair?Which compound is an example of the caesium chloride type structure?