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NCERT Textbook
THE SOLID STATE

Class 12
Chemistry :-NCERT Solutions - The Solid State

Question 17
Which of the following lattices has the highest packing efficiency
(i) simple cubic
(ii) body-centred cubic and
(iii) hexagonal close-packed lattice?


Answer:

Answer

Hexagonal close-packed lattice has the highest packing efficiency of 74%. The packing efficiencies of simple cubic and body-centred cubic lattices are 52.4% and 68% respectively.


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