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← JEE Main 2014 · 19 Apr · Shift 1
ChemistrySingle correct+4 / -1Question 39 of 90

JEE Main 2014 · 19 Apr · Shift 1, Chemistry question 39

The total number of octahedral void(s) per atom present in a cubic close packed structure is :

Choose one option
Answer and worked solution

Official answer: C

In ccp (fcc) there are 4 atoms and 4 octahedral voids per unit cell: one octahedral void per atom (and two tetrahedral).