Lithium resembles magnesium in some of its properties.

Question:

Lithium resembles magnesium in some of its properties. Mention two such properties and give reasons for this resemblance.

Solution:

(i) Lithium and magnesium are both lighter and harder than the other metals in their respective groups.

(ii) Halides of both elements, LiCl and MgCl2 are soluble in ethanol.

These two elements have similar properties because of their similar atomic and ionic radii.

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