4. Write any two diagonal relationship between Beryllium and Aluminium – InterviewSolution

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1.	4. Write any two diagonal relationship between Beryllium and Aluminium.
Answer» Ans :- Diagonal relationship of Be with Al Because of its small size Be differs from other earth alkaline earth metals but resembles in many of its properties with Al on account of diagonal relationship. (1) Be2+ and Al3+ have almost same and smaller size and thus favour for covalent bonding. (2) Both these form covalent compounds having low melting point and soluble in organic solvent.

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