posted by amanda .
a metal crystallizes in the face centred cubic cubic crustal structure with a unit cell edge of 5.48 x10 power of -8 cm.the density of the metal is 6.90g per cubic cm.
a. what is the mass in grams, of a single atom of this element.
b. what is the atomic weight of the element (g per mol).
c. what is the radius, in cm, of an atom of an element.