MTL 200 certification ASSESSMENT GUIDE
2025|MOST COMMON QUESTIONS WITH
CORRECTLY VERIFIED ANSWERS (the latest
ones)|ALREADY A+ GRADED|GUARANTEED
PASS/wishing you success in your studies
If the ratio of the radii is greater than 1, what is the coordination number (rc>ra = >1) - 12
Size of ion, as the radius increases, the number of neighbour the opposite charge -
increases
size of ion, the radius of the ion increases with the ions of - number of electrons
with most common ceramics, what is the relationship with cations and anions -
3 types of ceramic crytsals - AX, AmXp, AmBnXp
AX, In a rock salt structure (NaCl), what is the main relationship with the unit cell - a-
2r_c + r_a
AX, In a cesium chloride structure (CsCl), what is the relationship with the unit cell - a=2
/ sqrt3 (rc+ra)
AX, unit cell realtionship of zinc bllende structure - same as rock strucutre
stacking planes produces intersitial sites, tetrahedral position - coordination 4
stacking planes produces intersitial sites, octahedral position - coordination 6
what are silicate ceramics made of - silicon and oxygen
main features of silicate ceramics are - strong covalent bonds, has subdivisions of silica,
silica glass, silicates
silica are defined as - not closely packed, low density, high melting points, polymorphic in
forms of quartz, cristobalite, and tridymite
silica glasses - low viscosity, low melting points
simple silicates are always defined by - isolated tetrahyedra
2025|MOST COMMON QUESTIONS WITH
CORRECTLY VERIFIED ANSWERS (the latest
ones)|ALREADY A+ GRADED|GUARANTEED
PASS/wishing you success in your studies
If the ratio of the radii is greater than 1, what is the coordination number (rc>ra = >1) - 12
Size of ion, as the radius increases, the number of neighbour the opposite charge -
increases
size of ion, the radius of the ion increases with the ions of - number of electrons
with most common ceramics, what is the relationship with cations and anions -
3 types of ceramic crytsals - AX, AmXp, AmBnXp
AX, In a rock salt structure (NaCl), what is the main relationship with the unit cell - a-
2r_c + r_a
AX, In a cesium chloride structure (CsCl), what is the relationship with the unit cell - a=2
/ sqrt3 (rc+ra)
AX, unit cell realtionship of zinc bllende structure - same as rock strucutre
stacking planes produces intersitial sites, tetrahedral position - coordination 4
stacking planes produces intersitial sites, octahedral position - coordination 6
what are silicate ceramics made of - silicon and oxygen
main features of silicate ceramics are - strong covalent bonds, has subdivisions of silica,
silica glass, silicates
silica are defined as - not closely packed, low density, high melting points, polymorphic in
forms of quartz, cristobalite, and tridymite
silica glasses - low viscosity, low melting points
simple silicates are always defined by - isolated tetrahyedra
