Which one of the alkaline earth metals shows some anomalous behaviour and has the same electronegativity as aluminium?

  • A
    $Sr$
  • B
    $Ca$
  • C
    $Ba$
  • D
    $Be$

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Similar Questions

Which of the following is different from the other three oxides?

Match column-$I$ with column-$II$ :
Column-$I$Column-$II$
$(a)$ Calcium$(p)$ Crimson red
$(b)$ Barium$(q)$ Brick red
$(c)$ Strontium$(r)$ Apple green
-$(s)$ Yellow

Which one of the following compounds is a peroxide?

Statement $A$: Helium and Beryllium have the same outer electronic configuration of the type $ns^2$.
Reason $R$: Both are chemically inert.

Identify the correct statement.

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