Question

The formula of a compound formed by two element _________
please give correct ans ​

Answer 1

Answer:

p and q

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Answer 2

Answer:

Atom 'A' at FCC lattice points means number of atom A in unit cell is:

 

81×8+21×6=4.

If in a close-packed structure (ccp or fcc) there are 'n' atoms or ions then the number of tetrahedral voids will be 2n. Thus the number of atom B is =2×4=8

Thus the compound is A4B8 or AB2