The correct orders among the following are
$A$. Atomic radius $: B < Al < Ga < In < Tl$
$B$. Electronegativity $: Al < Ga < In < Tl < B$
$C$. Density $: Tl < In < Ga < Al < B$
$D$. $1^{st}$ Ionisation Energy $: In < Al < Ga < Tl < B$
Choose the correct answer from the options given below $:$

  • A
    $B$ and $D$ Only
  • B
    $A$ and $C$ Only
  • C
    $C$ and $D$ Only
  • D
    $A$ and $B$ Only

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