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Q.

Beryllium differs from other alkaline earth metals because of

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a

Small size and High EN

b

Large size and Low EN

c

Small size Low EN

d

Large size High EN

answer is A.

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Detailed Solution

"Be" in the 2nd group differed from the rest of the elements of the same group. This is said to be anomalous  behaviour  of "Be"Reasons:1) Due to its small size and high EN2) Its high polarising power[P.P] Because of its high polarising power it mainly forms covalent compoundsEg :- BeCl2
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