Question

Which of the following radii reflect an increase in size of an atom?

A) Van der waal’s radius c) covalent radius

B) Metallic radius d) both b and c​

Answer 1

Explanation:

Moving Down the Periodic Table. The principal energy levels hold electrons at increasing radii from the nucleus. ... Therefore, atomic size, or radius, increases as one moves down a group in the periodic table

Answer 2

Answer:

The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons. Since the boundary is not a well-defined physical entity, there are various non-equivalent definitions of atomic radius. Three widely used definitions of atomic radius are: Van der Waals radius, ionic radius, and covalent radius.

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