Consider a face-centered cubic crystal structure
that has one atom at each lattice point. The atomic
radius, ? is
0.152 nm and the atomic
weight, ? is
68.4 g/mol. Assuming the atoms to be
hard spheres and touch each other with their nearest neighbor,
calculate the mass density.
Consider a face-centered cubic crystal structure that has one atom at each lattice point. The atomic...
The atom radius of copper is r = 0.1278 nm. Its crystal structure has face-centered cubic cells. a) What is the crystal-lattice constant? b) What is the concentration of copper atoms? c) What is the atomic volume (the volume of 1 mol of copper)? answer each part with explanation and shown work
The atomic weight per 1 mol of copper (Cu) with face-centered cubic (fcc) structure and the density at 298K are 63.54 g and 8.89*10^6 g/m3, respectively. Estimate the nearest-neighbor distance of Cu atoms.
A certain element exists in a face-centered cubic structure. The atomic radius of an atom of this element is 121 pm. Calculate the density of this element in g/cm3. (Assume the element has a molar mass of 59.3 g/mol.)
6) A hypothetical metal has the simple cubic crystal structure. If its atomic weight is 70.6 g/mol and the atomic radius is 0.128 nm, compute its theoretical density. (N=6.022 * 1023 atoms/mol) (Theoretical density-mass of atoms in unit cell/total volume of unit cell) 7) Write down the names of each crystal structure given below.
A certain element exists in a face-centered cubic structure. The atomic radius of an atom of this element is 155 pm. Calculate the density of this element in g/cm3. (Assume the element has a molar mass of 55.8 g/mol.) g/cm3
A certain element exists in a face-centered cubic structure. The atomic radius of an atom of this element is 121 pm. Calculate the density of this element in g/cm3. (Assume the element has a molar mass of 64.2 g/mol.) g/cm3
A certain element exists in a face-centered cubic structure. The atomic radius of an atom of this element is 143 pm. Calculate the density of this element in g/cm3. (Assume the element has a molar mass of 62.6 g/mol.) ________ 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.
(a) Differentiate between Face- Centered Cubic (FCC) and Body-Centered Cubic (BCC) crystal structures. Why FCC metals are more ductile than BCC metals? 5 marks) (ii) show the relationship between the unit cell edge length, a, and the atomic radius, R, for a BCC crystal. Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and atomic weight of 55.85 g/mol. Calculate its theoretical density Given: Avogardo's Number is 6.02 x 105 atoms/mol (5 marks) Figure 1 Determine the...
A hypothetical metal (W) has a body centered cubic crystal structure. Using a metallic radius of 139 pm for the W atom, calculate the density of W in grams per cubic centimeter. (1pm=10-12m) (Atomic weight of W is 183.84 g/mol)