Edge length of `M^(+)X` (fcc structure) is `7.2Å`. Assuming (`M^(+) - X^(-))` contact along the cell
Channel: Doubtnut
Date: 2020-04-19

Edge length of `M^(+)X` (fcc structure) is `7.2Å`. Assuming (`M^(+) - X^(-))` contact along the cell edge, radius of `X^(-)` ion is (`r_(M+) = 1.6Å):`