Among the statement (I – IV), the correct ones are: (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionization enthalpy than AI. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form mainly covalent compounds

Question

Among the statement (I – IV), the correct ones are: (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionization enthalpy than AI. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form mainly covalent compounds, (I), (II) and (IV), (I), (III) and (IV), (II), (III) and (IV), (I), (II) and (III)

MARKS App · Accepted Answer

Charge/radius ratio of Be and Al is same because of diagonal relationship. Remaining statements are correct.

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