The ratio of anion radius to cation radius of a crystal is `10 : 9.3`. The coordination number of the cation in the crystal is

The ratio of anion radius to cation radius of a crystal is 10 : 9.3. Then, the coordination number of the cation in the crystal is

The ratio of anion radius to cation radius of a crystal is 10:9,3. then , the coordination number of the cation in the crystal is

The ratio of cationic radius to anionic radius in an ionic crystal is greater than 0.732. its coordination number is

The ratio of cationic radius to anionic radius in an ionic crystal is greater than 0.732 its coordination number is

The ratio of cationic radius to anionic eadius in an inoic crystal is greater than 0.732 its coordination number is

When the ratio of the radius of cation and anion in the crystal lattice is 0.53, the co-ordination number in the lattice is

The radius of cation is 100 pm and that of anion is 188 pm, then the coordination number of cation is __________.