Podcast
Questions and Answers
What is a crystal at a microscopic level?
What is a crystal at a microscopic level?
- A collection of molecules in the same arrangement throughout the material (correct)
- A highly disordered lattice
- A random collection of molecules
- A mixture of atoms, molecules, and ions
What is the name of the contributing part that is repeated to form a crystal?
What is the name of the contributing part that is repeated to form a crystal?
- Atomic ensemble
- Lattice unit
- Molecule cluster
- Unit cell (correct)
What determines the different shapes in which crystals grow?
What determines the different shapes in which crystals grow?
- The size of the unit cell
- The color of the atoms
- The type of material they are made of
- The arrangement of atoms, molecules, or ions inside the unit cell (correct)
What is the primary reason for the different crystal formation shapes?
What is the primary reason for the different crystal formation shapes?
What are the components inside a unit cell dependent on?
What are the components inside a unit cell dependent on?
What color are Sodium (Na) atoms represented as in a 3D crystal arrangement?
What color are Sodium (Na) atoms represented as in a 3D crystal arrangement?
What color are Chloride (Cl) atoms represented as in a 3D crystal arrangement?
What color are Chloride (Cl) atoms represented as in a 3D crystal arrangement?
What factors affect the crystalline pattern and shape of a crystal?
What factors affect the crystalline pattern and shape of a crystal?
Why do atoms joining in the crystal structure generally follow the shape of the crystal that has already formed?
Why do atoms joining in the crystal structure generally follow the shape of the crystal that has already formed?
How is mineral crystal habit defined?
How is mineral crystal habit defined?
Which type of crystals have apparent and well-formed faces with sharp angles?
Which type of crystals have apparent and well-formed faces with sharp angles?
What mineral exhibits an octahedral habit?
What mineral exhibits an octahedral habit?
Which mineral does NOT have a cubic habit?
Which mineral does NOT have a cubic habit?
What is a characteristic feature of prismatic crystal habits?
What is a characteristic feature of prismatic crystal habits?
Why are non-geometrical crystals rare in their development of regular geometric forms at the surface?
Why are non-geometrical crystals rare in their development of regular geometric forms at the surface?
