1.

If an element 'X' is assumed to have the types of radii, then their order is

Answer»

Crystal RADIUS GT Van DER Waals radius gt COVALENT radius 
Van der Waals radius gt Crystal radius gt Covalent radius 
Covalent radius gt Crystal radius gt Van der waals radius 
Van der Waals radius gt Covalent radius gt Carystal radius 

Answer :B


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