The atomic positions in cubic nickel oxide are: Ni: 0,0,0; ½,½,0; 0, ½,½; ½,0, ½ O: ½,½,½; 0,0, ½; ½,0,0; 0, ½,0
Sketch the unit cell, what is the formula of the oxide? What is the structure type?
The atomic positions in cubic nickel oxide are: Ni: 0,0,0; ½,½,0; 0, ½,½; ½,0, ½ O:...
9. Rhenium oxide has a cubic structure with the Re atoms sitting at the eight corners of the cube and the (O) atoms half way along the 12 edges of the cube: (a) Draw the structure and place the Re and O atoms in their positions (b) What is the molecular formula? contributions Explain your answer using fractional Re and O (c) What is the oxidation number of Re? (d) How many formula units per cell?, (e) Is the unit...
Please answer this problem, also, is this a FCC or BCC?
In-oxide is a semiconductor useful in solar cells. X-ray diffraction data reveal that In-oxide has a cubic structure with 1 oxygen ion and 1 In ion effectively inside the cubic unit cell. Further, the length of the unit cell is estimated to be a 0.3133 nm. Calculate the density of In-oxide given the atomic weight of In 114.82 amu and the atomic weight of O 16.00 amu
In-oxide is...
Nickel has an atomic radius of 124 pm and forms a solid with a cubic closest packed structure. Calculate the density of solid nickel in g/cm3.
Silver Oxide Ag2O has a cubic unit cell Z=2, a=4.762A with atomic coordinates Ag: 1/4 1/4 1/4, 3/4 3/4 1/4, 3/4 1/4 3/4, 1/4 3/4 3/4 O: 000, 1/2 1/2 1/2 What is the lattice type and coordinate numbers of Ag and O? Calculate Ag-O distance. Does structure have center of symmetry? Explain where tetrahedral and octahedral sites are. Explain fully please!
Nickel, Ni, has a face-centered cubic structure(Figure 1) with an edge length of 352 pm. What is the density of this metal? Use the periodic table as needed.
11. (8 points) Give the answer to each question about solid state structures in the space provided. Remember to show your work. 240.7So Tungsten metal packs in the body-centered cubic (BCC) structure. If the body diagonal of the unit cell is 556 pm, what is the atomic radius of a tungsten atom? d-N30 24.hpm Nickel metal packs in the face-centered cubic (FCC) structure. If the body diagonal of the unit cell is 607 pm, what is the atomic radius of...
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?
.Nickel oxide crystallizes in the NaCl type of crystal structure. The length of an edge of the unit cell of NiO is 4.18 Å. What is the NiO bond length? Assuming the anions touch along the face diagonal, what is the radius of an O2 anion? What is the approximate radius of the Ni2 ion? eaup foxo bi bo 40 Jobholdo eieoO 68 8 athanic Al ADOrep
Nickel is a metal that forms a face centered cubic lattice. It has a density of 8.908 g/cm3 and a molar mass of 58.7 g/mol. Show your units for all answers. a. What is the volume in cubic centimeters of a single unit cell of nickel? b. What is the radius of a nickel atom in pm? c. If you tried to find the d spacing of a unit cell of nickel using x-rays with a wavelength of 154 pm,...
The ReO3 structure is cubic with an Re atom at each corner of the unit cell, one O atom at the unit cell edge midway between the Re. Sketch the unit cell and determine the coordination numbers of the ions, and the identity of the structure if one cation were located at the body center. Confirm the formula of the compound.