Asked by amanda

a metal crystallizes in the face centered cubic crystal structure with a unit cell edge of 5.48 x10 power of -8 cm. the density of the metal is 6.90 g per cubic cm.
a. what is the mass (g) 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 the element..

thank you..

Answers

Answered by DrBob222
edge^3 = volume
mass = volume x density
fcc = 4atoms/unit cell so mass/4 = mass 1 atom
1 atom x 6.02E23 = atomic mass.
4*radius = edge*2<sup>1/2</sup
Post your work if you get stuck.
Answered by amanda
can u please explain to me where did u get 2 to find radius?..
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