- #1
yellowduck
- 16
- 0
Hi,
I am doing a lab on packing methods. Hexagonal closest, face-centred and body-centred.
I had no trouble drawing the diagrams for these and and determining cordination numbers and seeing which is more efficient. However I am having trouble explaining the relationship between coordination number and density. It gives mass/volume as the definition of density.
What I did was place one unit in an imaginary box - assign each atom a value of 1 mass and divide by volume. This gives me a higher density for body-centred which I know is wrong.
Can anyone help explain to me what I am doing wrong?
Thanks
I am doing a lab on packing methods. Hexagonal closest, face-centred and body-centred.
I had no trouble drawing the diagrams for these and and determining cordination numbers and seeing which is more efficient. However I am having trouble explaining the relationship between coordination number and density. It gives mass/volume as the definition of density.
What I did was place one unit in an imaginary box - assign each atom a value of 1 mass and divide by volume. This gives me a higher density for body-centred which I know is wrong.
Can anyone help explain to me what I am doing wrong?
Thanks