Which pair of elements from different groups resemble each other the most in their chemical properties?...

Which pair of elements from different groups resemble each other the most in their chemical properties? Be and B Al and Si O Li and Mg Be and C

Solutions

Expert Solution

Li and Mg resemble the most because of the following reasons

Li and Mg have almost similar electronegativities
Both Li and Mg are harder and lighter than other elements in their respective grounps
Hydroxides of Li and Mg are weak bases.
In nitrogen atmophere both Li and Mg gives ionic nitrides on heating.
Hydroxides of both decompose on heating producing their oxides
Both on reaction with oxides give monoxide
The hydroxides, carbonates, oxalates, phosphates,and flurides of both Li and Mg are sparingly soluble in water

queen_honey_blossom answered 1 year ago

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