What is the metallic radius?

1 Answer
Jul 7, 2014

Everything is written on the image below:

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As you can see, 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.

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