Which of the following exists as covalent crystals in the solid state ?
Phosphorus
Iodine
Silicon
Sulphur
As we have learned
Covalent solids -
Atoms are covalent bonded in continuous network throughout solid.
- wherein
Ex. Diamond, graphite, carborundum (CSi), BN
Silicon exists as covalent crystal which rest of the molecules exits in molecular state
Option 1)
Phosphorus
Option 2)
Iodine
Option 3)
Silicon
Option 4)
Sulphur
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