Define van der Waal's radius.

Define (a) metallic radius and (b) van der Waals radius.

The concept of van der Waals radius is confined to

Statement-1: In a period, noble gas has largest atomic radius. Statement-2: In case of noble gases van der Waal's radius is defined and there is much inter electronic repulsions.

Which of the following van der Waals radii is the largest ?

The van der Waals radius (r_(vdw)) is defined as the half-distance between the nuclei of two atoms of neighboring molecules in the____state.

Select the correct statement with reference to van der Waal's ga.

If an element 'X' is assumed to have the types of radii, then their order is Crystal radius > Van der Waals radius > Covalent radius Van der Waals radius > Crystal radius > Covalent radius Covalent radius > Crystal radius > Van der Waals radius Van der Waals radius > Covalent radius > Crystal radius

What is the signification of 'a' in the van der Waal's equation ?