Podcast
Questions and Answers
The degree of ionic character in a ceramic material increases with a decrease in the difference in electronegativity of the atoms.
The degree of ionic character in a ceramic material increases with a decrease in the difference in electronegativity of the atoms.
False (B)
In oxide ceramic structures, metal cations are larger than oxygen anions.
In oxide ceramic structures, metal cations are larger than oxygen anions.
False (B)
A stable ceramic structure is formed when the net charge is non-zero.
A stable ceramic structure is formed when the net charge is non-zero.
False (B)
The coordination number of a cation decreases with an increase in the radius of the anion.
The coordination number of a cation decreases with an increase in the radius of the anion.
In ceramic crystal structures, the formation of stable structures is achieved by minimizing the number of oppositely charged ion neighbors.
In ceramic crystal structures, the formation of stable structures is achieved by minimizing the number of oppositely charged ion neighbors.
The chemical formula of a ceramic material reflects the charge neutrality of the material.
The chemical formula of a ceramic material reflects the charge neutrality of the material.
The ionic character of a ceramic material is only dependent on the difference in electronegativity of the atoms.
The ionic character of a ceramic material is only dependent on the difference in electronegativity of the atoms.
Ceramic materials can have a large degree of covalent character in their bonding.
Ceramic materials can have a large degree of covalent character in their bonding.
The structure of a ceramic material is determined solely by the size of the ions.
The structure of a ceramic material is determined solely by the size of the ions.
Ceramic crystal structures can have a variety of coordination numbers, depending on the size and arrangement of the ions.
Ceramic crystal structures can have a variety of coordination numbers, depending on the size and arrangement of the ions.
