Select right expression for determinig packing fraction (P.F.) of NaCl unit cell (assume ideal ) , if ions along an edge diagonal are absent :

Which of the following expression is correct for packing fraction of NaCl if the ions along with face are diagonally removed?

Which of the following expression is correct for packing fraction of NaCl if the ions along with face are diagonally removed?

Which of the follwing expression is correct for packing fraction of NaCl if the ions along the face are diagonally removed

How many effiective Na^(+) and Cl^(-) ions are present respectively in a uint cell of NaCl solid (Rock salt structure ) if all ions along line connecting opposite face centres are absent ?

How many effiective Na^(+) and Cl^(-) ions are present respectively in a uint cell of NaCl solid (Rock salt structure ) if all ions along line connecting opposite face centres are absent ?

How many effiective Na^(+) and Cl^(-) ions are present respectively in a uint cell of NaCl solid (Rock salt structure ) if all ions along line connecting opposite face centres are absent ?

If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesiums ions, m and n respectively, are

If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesiums ions, m and n respectively, are