Define (i) Atomic radius (ii) Covalent radius(iii) Metallic

1.	Define (i) Atomic radius (ii) Covalent radius(iii) Metallic radius
Answer» (i) Atomic radius: The distance from the centre the nucleus to the outermost shell of an atom. (ii) Covalent radius: One half of the distance between the nuclei of two covalently bonded atoms. (iii) Metallic radius: Half the inter nuclear distance separating the metal cores in the metallic crystal

Define (i) Atomic radius (ii) Covalent radius(iii) Metallic radius

Answer»

(i) Atomic radius: The distance from the centre the nucleus to the outermost shell of an atom.

(ii) Covalent radius: One half of the distance between the nuclei of two covalently bonded atoms.

(iii) Metallic radius: Half the inter nuclear distance separating the metal cores in the metallic crystal