can you answer and explain please and thank you.

Pick up 14 Styrofoam balls and about 25 toothpicks from the front desk for each group. Each Group should answer all the questions on a separate sheet of paper. For full credit show all work!!l Exercise \#1 Construct a Body Centered Cubic (BCC) erystalline structure using the Styrofoam balls and toothpicks. Be careful with the toothpicks, as they can be sharp! Instructor lnitials: Questions: 1) What is the lattice parameter as (length of a side) of this unit cell? Derive the equation for a0 then calculate it. The diameter of the Styrofoam balls is 2+. 2) What are the close-packed directions? What are the close-packed planes? (use proper format) 3) What is the Packing Factor for this unit cell? (show calculations to a final numerical value) 4) What is the theoretical density of the solid, atomic weight of the atoms is 55.85 (amu)? (show calculations) 5) List at least 2 common metals that have this crystalline structure? Exercise \#2 Construct a Face Centered Cubic (FCC) crystalline structure using the Styrofoam balls and toothpicks. Be careful with the toothpicks, as they can be sharp! Instructor Initials: Questions: 1) What is the lattice parameter ao (length of a side) of this unit cell? Derive the equation for ao then calculate it. The diameter of the Styrofoam balls is 2 ". 2) What are the close-packed directions? What are the close-packed planes? 3) What is the Packing Factor for this unit cell? (show calculations to a final numerical value) 4) What is the theoretical density of the solid, atomic weight of the atoms is 26.98 (amu)? (show calculations) 5) List at least 2 common metals that have this crystalline structure