AP EAPCET 06-Jul-2022 Shift 2 Paper

Number of atoms of A=I ( 1 atom is present at centre of cell)
Number of atoms of B= Number of corners
× Contribution of each atom
=8×‌

I

8

=1
Number of atoms of C= Number of faces
× Contribution of each atom
‌‌=6×‌

1

2

=3
Therefore, formula of compound =ABC3.