Charge on tape f 1 t h = ' # o e emell my C 31393 Elementary charge (1.2) >Q11: Estimate the number of atoms at the surface of the tape. Assume the atoms are arranged in a square lattice, as shown in see Figure 1.2, where the length of one side is S = (0.40 i 0.04) nm: Total Area Area per atom' # of atoms = (1.3) Figure 1.2: Diagram of two pieces of tape with the same type of charge repelling each other. >Q12: Determine what percentage of surface atoms lose an electron (assuming the TOP tape is positively charged): # of elementary charges %charged atoms = # of atoms x 100%. (1.4)