Question

students Ram, Shyam and Raj measured the radius of an element A. The values of their practical were not same (Ram = 110 nm, Shyam = 190 nm and Raj = 108 nm). Their teacher explained that their measurement were correct by saying that the recorded values are -

• A. Metallic, Van derwaal and covalent radii respectively
• B. Covalent, Metallic and Van der waal radii respectively
• C. Van der waal, Metallic and covalent radii respectively
• D. None of the above

Answer 1

The correct option is A

Metallic, Van derwaal and covalent radii respectively

The increasing order of atomic radius covalent radius $<$ metallic radius $<$ vander waals radius