How do the properties of eka-aluminium element predicted by Mendeleev compare with the actual properties of gallium element? Explain your answer.

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Solution

He studied the properties of elements of other elements and none could fit in the place after Al (the atomic weight and chemical properties). So he predicted that a metal should come in between Al and indium and named it 'eka-aluminium'.

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Similar questions

(a) How do the properties of eka-aluminium element predicted by Mendeleev compare with the actual properties of gallium element? Explain your answer.

(b) What names were given by Mendeleev to the then undiscovered elements (i) scandium (ii) gallium, and (iii) germanium?

Eka aluminium predicted by Mendeleev is which element?

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