How many iron atoms are within a unit cell?

7 ⤊

How many iron atoms are within a unit cell?

Metallic iron crystallizes in a cubic lattice. The unit cell edge length is 287 pm. The density of iron is 7.87 g/cm3.

2006-08-30 18:46:40 · 4 answers · asked by bluedevilkitty 1 in Education & Reference ➔ Homework Help

4 answers

Iron structure is body-centered cubic: From wikipedia,

The body centered cubic system has one lattice point in the center of the unit cell in addition to the eight corner points. It has in total 2 lattice points per cell (1/8th *8 + 1).

I take that to mean that there are two atoms per cell

2006-08-30 20:18:39 · answer #1 · answered by gp4rts 7 · 1⤊ 0⤋

Iron Unit Cell

2017-01-17 04:26:46 · answer #2 · answered by bonagurio 4 · 0⤊ 0⤋

2006-08-30 19:16:41 · answer #3 · answered by toms 3 · 0⤊ 3⤋

i think it is 2, but im not 100% on that.

2006-08-30 18:53:06 · answer #4 · answered by Kyle M 6 · 6⤊ 0⤋