Chemistry
posted by Sidney Ngo .
The density of iridium is 22400 kg/m3 and the cell volume is 5.66 x 1023 cm3. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number.
The molar mass of iridium is 192.22.
I know that this can either be a bcc, cap, or hcp arrangement.
Respond to this Question
Similar Questions

Chemistry
The density of gold is 1.93E4 kg/m3 and the cell volume is 6.78E26 L. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number. For the purposes of this calculation, enter your answer … 
Chem
Based on the number of atoms per unit cell and the mass of the atom, the mass of the unit cell can be calculated. The density of the unit cell and the material as a whole can be determined from the mass and the volume of the unit cell … 
chemistry
The density of platinum is 21500 kg/m3 and the cell volume is 6.04 x 1026 L. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number. 
chemistry
1)The element nickel has ccp packing with a facecentered cubic unit cell. The density of nickel is 8900 kg/m3 and the cell volume is 4.376 x 1023 cm3. Calculate the value of Avogadro's number to three significant figures based on … 
chemistry
this is a wiley plus problem and there is no reading lesson with this section so im not sure how to approach this question: The element iridium has ccp packing with a facecentered cubic unit cell. The density of Ir is 22400 kg/m3. … 
chemistry
This problem is from my chemistry book and I am having a little trouble with the intermediary steps: Barium metal crystallizes in a body centered cubic lattice (atoms at lattice points only) The unit cell edge length is 502 pm, and … 
General Chemistry
PLEASE ANSWER VERY SOON I AM STUCK! Crystalline silicon has a cubic structure. The unit cell edge length is 543 pm. The density of the solid is 2.33 g/cm3. Calculate the number of Si atoms in one unit cell. 
chemistry
Sketch one face of a simple cubic unit cell of side a for the case when the maximum fraction of the lattice in volume is filled with atoms, and each atom is approximated by a hard sphere. (ii) What is the radius of each atom in terms … 
Chemistry
The density of cesium is 1870 kg/m3 and the cell volume is 2.23 x 1022 mL. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number. 
Chemistry
The density of palladium (Pd) is 12.0 g/mL and the cell volume is 5.89 ✕ 10^−23 mL. Determine the number of atoms in the unit cell. (Because there cannot be a part of an atom in a unit cell, we must round the number of atoms …