Answer the following questions concerning the element Cr at 300 K: a) Draw the room temperature unit cell and determine the number of atoms per unit cell (3 pts) b) Determine the unit cell volume using chromium's Goudsmit atomic radii (2 9'6) c) List the electronic structure and determine the electron density, ne (4 pts) d) Determine the electronic conductivity, 0, assuming mobility (u) of 10 cm2/Vs (4 pts) e) Determine the mean scattering time, 1' (4 pts) f) Determine the mean free path, . Assuming an electron velocity of 1 x 105 m/s. (2 pts) g) What makes the mean free path an important property of materials used in integrated circuit design and manufacturing? (2 pts) h) Is chromium used in semiconductor electronics? If so why or why not? (2 DB) i) When alloyed with Ni it becomes \"Nichrome\" the resistivity of Ni increases by nearly x 10 what is this alloy called and does it have utility and why? (2 pts)