Q10. The fluorite structure can be described as a face-centered cubic array of _______________ ions with _______ flouride ions per unit cell.
Q11. The zinc blende structure can be described as a face-centered cubic array of _______________ ions with _______ zinc ions per unit cell.
Q10. The fluorite structure can be described as a face-centered cubic array of _______________ ions with...
The structure of rhenium oxide can best be described as a simple cubic array of rhenium ions with the oxide ions at the center of each edge of the cubic unit cell. What is the charge of the rhenium ion in this compound?
NaCl crystallizes in a variant of a face-centered cubic cell, with Cl- ions at the lattice points of the face-centered cube, and a sodium ion is on each edge of the cube and in its center. What is the total number of ions (Na+ and Cl-) that lie within the NaCl unit cell? A) 2 B) 4 C) 8 D) 6 E) 5 -If you can explain to me the reason for the correct answer. Thank you
How many atoms are in the following unit cells? Body centered cubic, face centered cubic (FCC), a hypothetical body centered/face centered cubic crystal, and a hypothetical diamond cubic structure with superimposed face centered cubic and body centered cubic atoms. Calculate the ratio of the packing factors for the following cases: simple cubic to face centered cubic. simple cubic to hypothetical face centered body centered cubic crystal (i.e. a face centered cubic with a similar atom placed in the center simple...
Lithium chloride crystallizes in a face-centered cubic structure. The unit cell length is 5.14 × 10-8 cm. The chloride ions are touching each other along the face diagonal of the unit cell. The lithium ions fit into the holes between the chloride ions. What is the density of the lithium chloride? A. 3.78 g/cm3 B. 2.42 g/cm3 C. 1.04 g/cm3 D. 3.32 g/cm3 E. 2.08 g/cm3
If the atomic radius of a metal that has the face-centered cubic crystal structure is 0.137nm, calculate the volume of its unit cell.
Stronium metal is found to have a face centered cubic crystal structure. It is measured to have a density of 2.54g/mL. What is the length of the unit cell in pm?
(a) The structure of fluorite (CaF2) maybe considered as a simple cubic arrangement of fluoride ions with the charge balancing Ca2+ ions being located in cubic holes. What is the coordination number of the calcium ions? What is the coordination number and geometry of the fluoride ions? What fraction of the cubic holes are filled by Ca2+ ions? (****please explain this one very clearly? and how the occupy of hole will differ if it was FCC instead?) How does this...
Lithium chloride crystallizes in a face-centered cubic unit cell with chloride ions occupying the lattice points and lithium ions occupying octahedral holes. How many chloride ions surround each lithium ion in Lici? O A.4 OB.6 O C.1 OD. 12 E. 8
Gold crystallizes in a face-centered cubic structure. What is the edge length of the unit cell if the atomic radius of gold is 144 pm?407 pm204 pm288 pm333 pm
Metal x crystallizes in a face-centered cubic (close-packed) structure. The edge length of the unit cell was found by x-ray diffraction to be 383.9 pm. The density of x is 20.95 . Calculate the mass of an x atom, and use Avogadro’s number to calculate the molar weight of Metal X crystallizes in a face-centered cubic (close-packed) structure. The edge length of the unit cell was found by x-ray diffraction to be 383.9 pm. The density of X is 20.95...