2. Silver metal erystallizes in a face-centered cubic latice with a=496pm. Calculate the center-to-center distance between nearest silver atoms. (HIINT: Ax=(2)nna) a) a) 1.26104cm b) 4.38108cm c) 6.77107cm d) 3.39108cm e) 5.01106cm f) 1.72101cm g) 1.11108cm b) 3.39105cm