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WorksheetsCrystal Systems
Total questions: 13
Worksheet time: 8mins
Which of the following describes a crystal?
A homogeneous solid
has a geometrically regular form
has a highly ordered microscopic structure
All of the options describe crystals
How does an ionic bond form?
One atom gives an electron to another atom
Atoms share electrons
The electrons form a "sea of electrons"
How does a covalent bond form?
One atom gives an electron to another atom
Atoms share electrons
The electrons form a "sea of electrons"
How does a metallic bond form?
One atom gives an electron to another atom
Atoms share electrons
The electrons form a "sea of electrons"
__________ is the manner in which atoms, ions, or molecules are spatially arranged.
Pattern
Ionic bond
Crystal structure
Molecular formula
What is the small repeating entity of the atom structure?
Crystal lattice
Unit cell
Crystal structure
Shape
Multiple unit cells stacked together in an infinite 3D array of points makes up what?
Unit cell
Molecular formula
Crystal lattice
Ionic bond
This crystal system has the most symmetry: a=b=c and α=β=γ=90°
Isometric
Monoclinic
Tetrahedral
Triclinic
The crystal in the image belongs to which crystal system?
Triclinic
Monoclinic
Hexagonal
Isometric
This crystal system has angles that all meet at 90°, but one of the axes is not equal to the other 2: a=b≠c and α=β=γ= 90°
Hexagonal
Isometric
Tetragonal
Orthorhombic
This crystal system has angles that all meet at 90°, but none of the axes are the same length: a≠b≠c and α=β=γ= 90°
Isometric
Triclinic
Hexagonal
Orthorhombic
In this crystal system, all of the axes are different lengths and two of the angles meet at 90°, one of them does not: a≠b≠c and α=γ= 90° β≠ 90°
Orthorhombic
Triclinic
Monoclinic
Isometric
This crystal shape has the lowest symmetry: a≠b≠c and α≠β≠γ
Isometric
Triclinic
Monoclinic
Orthorhombic
