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Among the statements (I – IV), the correct ones are: (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionization enthalpy than Al. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form mainly covalent compounds. (1) (I), (II) and (IV) (2) (II), (III) and (IV) (3) (I), (II) and (III) (4) (I), (III) and (IV |
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Answer» (3) (I), (II) and (III) I AN : Be < Mg II IE : Be > Al III Charge/radius ratio of Be w less than that of Al IV Be, Al mainly form covalent compounds |
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