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Which among the following elements of gr...

Which among the following elements of groups-2 exhibits anomalous properties ?

A

Be

B

Mg

C

Ca

D

Ba

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The correct Answer is:
A
Beryllium (Be) because of its exceptionally small atomic and ionic size, high ionisation enthalpy and - availability of d-orbital in its valence shell shows anomalous behaviour than rest of the members of group 2.
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