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Question

Which of the following properties of beryllium is different from other elements in the group ?

A
Atomic size
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B
Ionisation enthalpy
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C
Form covalent compound
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D
All of these
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Solution

The correct option is C Form covalent compound
Beryllium has small atomic size and ionic size than the other members of group, also it has high ionisation enthalpy. Moreover, it forms covalent compound while other members form ionic compound.

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