Question

Define metallic radius..........​

Answer 1

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>>metallic radius is defined as one-half of the distance between the nuclei of two atoms in crystal or between two adjacent metal ions in the metallic lattice.

Metallic radii:

- decrease across the period due to increase in the effective nuclear charge.

- increase down the group due to increase in principal quantum number.

Answer 2

Metallic radius refers to half the distance between nuclei of two adjacent atoms in a crystalline structure.