Topic: Hexagonal Closest Packing
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What is Hexagonal close pack?
Another way of describing the arrangement of atoms is by identifying layers. In the hexagonal close pack, the base layer consists of six atoms in a hexagon around a central atom. The next layer is the same, but it is stacked above the first... Read More »
Source: http://wiki.answers.com/Q/What_is_Hexagonal_close_pack
How do I calculate the packing efficiency of hexagonal closest pa...
1) Hexagonal closest packing (efficiency = 74%) 2) Cubic closest packing - (efficiency = 74%) 3) Body-centered - (efficiency = 68%) I know the efficiency values because they are in my textbook and all over the internet. efficiency = Volume ... Read More »
Source: http://answers.yahoo.com/question/index?qid=20081003035955AADWDeQ
What is the hexagonal close-packed crystal structure?
The hexagonal structure of alternating layers is shifted so its atoms are aligned to the gaps of the preceding layer. The atoms from one layer nest themselves in the empty space between the atoms of the adjacent layer just like in the fcc s... Read More »
Source: http://wiki.answers.com/Q/What_is_the_hexagonal_close-packed_crys...
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Hexagonal Closest Packing
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This term generally occurs as part of two other terms: hexagonally closest packed and cubic closest packed. Both of them describe ways of packing spheres in the best way possible so as to minimize the gaps between spheres. In both of them e...
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Source: http://wiki.answers.com/Q/What_are_closest_packed_structures
at midplane: 3 atoms at the corners: 1/12*12=1 atom at the center face atoms: 2 atoms total=6 atoms in hexa.
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Source: http://wiki.answers.com/Q/How_many_atoms_are_there_in_hexagonal_c...
( hek′sag·ə·nəl ¦klōs ¦pakt ′strək·chər ) (crystallography) Close-packed crystal structure characterized by the regular alternation of two layers; the atoms in each layer lie at the vertices of a series of equilateral triangles, and the ato...
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Source: http://www.answers.com/topic/hexagonal-close-packed-structure
solid
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Source: http://wiki.answers.com/Q/In+which+state+of+matter+are+particles+...
face centre cubic crystal has eight atoms in each corner and one atom in the centre of cubic unit cell.while hexagonal close packed structuree has only six atoms in corners but no in the centre of cubic cell
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Source: http://wiki.answers.com/Q/Different_between_the_unit_cell_for_a_b...
Close packing basically means that the atoms are so close together, that they can not get any closer to eachother. This means that the empty space between the atoms is minimized. Density is weight per volume, so the less empty volume there ...
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Source: http://wiki.answers.com/Q/Why_do_minerals_that_have_the_non-silic...
