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Usually covalent radii of atoms increase or decrease down the group?Explain why covalent radii of Aluminium and Gallium are equal?

Usually covalent radii of atoms increase or decrease down the group?Explain why covalent radii of Aluminium and Gallium are equal?

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
 
Radii whatever it is of type would tend to increase down the group generally.
As the number of shells in the elements increases steadily.
And for Al and Ga the radii seems equal or similar due to the Lanthanide contraction.
This is the foremost and only the main reason.

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