Chemistry
Grade-8
Easy
Question
Among the following that is not the type of crystal is
- Ionic crystal
- Covalent crystal
- Unit crystal
- Molecular crystal
Hint:
The unit cell is the smallest unit of a crystal
The correct answer is: Unit crystal
- Ionic crystal is a crystalline ionic compound.
- A covalent crystal is a hard frequently brittle covalently bonded compound.
- The unit cell is the smallest unit of a crystal, there is nothing called a unit crystal.
- Molecular crystals are crystals that have relatively weak intermolecular binding.
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