Atomic radii of two metal atoms are 0.128 nm and 0.133 nm respectively. Find out whether they form an solid solution and if they form, state what type of solid solution it is.

%age change in radii
= 0.133-0.128/0.128
= 0.03906
= 3.91%
3.91% less than 15%
Hence they form solid solution, type of solid solution - solid solubility.

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