Questions and Answers
What is the coordination number of Zn²⁺ ion in Zinc blende (ZnS) type crystal structure?
4
What is the arrangement of Cl⁻ ions in Rock salt (NaCl) type crystal structure?
fcc with Cl⁻ ions occupying the corners and face centres of a cube
What is the coordination number of Ca²⁺ ion in Fluorite (CaF₂) type crystal structure?
8
What is the arrangement of Cs⁺ ions in Antifluorite type crystal structure?
Signup and view all the answers
What is the arrangement of S²⁻ ions in Zinc blende (ZnS) type crystal structure?
Signup and view all the answers
What is the characteristic arrangement of atoms in a face-centred cubic (fcc) unit cell?
Signup and view all the answers
What is the effect of slow cooling on the crystal size?
Signup and view all the answers
What is the significance of negative signs in Miller indices?
Signup and view all the answers
What is the characteristic of all parallel planes in a crystal?
Signup and view all the answers
What is the process by which crystals of a substance are obtained?
Signup and view all the answers
What is the total number of possible Bravais Lattices that can be arranged?
Signup and view all the answers
What is the characteristic of a crystal system that has a lattice point at the eight corners of the unit cell and at the body centered?
Signup and view all the answers
What is the term for a regular array of points in three dimensions that represents an atom or a group of atoms?
Signup and view all the answers
Which of the following crystal systems has a lattice point at the eight corners of the unit cell and at the six face centers?
Signup and view all the answers
What is the term for a homogeneous portion of a crystalline substance composed of a regular pattern of structural units?
Signup and view all the answers
What is a characteristic of anisotropic substances?
Signup and view all the answers
What is a characteristic of SiO4 tetrahedra in amorphous solids?
Signup and view all the answers
What is a physical property of diamond?
Signup and view all the answers
What is a characteristic of graphite?
Signup and view all the answers
What is a difference between diamond and graphite?
Signup and view all the answers
What is the characteristic of crystalline solids with ionic bonding?
Signup and view all the answers
Which property of diamond makes it an insulator?
Signup and view all the answers
What is the characteristic of graphite, an allotrope of carbon?
Signup and view all the answers
Which type of bonding is present in crystalline solids like SiO2 (quartz)?
Signup and view all the answers
What is the main difference between crystalline and amorphous silica (SiO2)?
Signup and view all the answers
What is the maximum number of possible space lattices that can be arranged?
Signup and view all the answers
What is the characteristic of a crystal system that has a lattice point at the eight corners and at the body center?
Signup and view all the answers
What is the number of different crystal systems that can exist?
Signup and view all the answers
What is the term for a regular array of points in three dimensions that represents an atom or a group of atoms?
Signup and view all the answers
What is the characteristic of a crystal that has a regular pattern of structural units (ions, atoms, or molecules)?
Signup and view all the answers
