First slide

Electronic configuration and Atomic , physical properties

Question

Which of the following halogens is solid at room temperature?

Very Easy

A

Chlorine
B

Iodine
C

Bromine
D

Fluorine

Solution

$\begin{matrix} F_{2} \\ {Cl}_{2} \end{matrix}} gases$
${Br}_{2}} liquid$
$I_{2}} solid$
As we go down the group Vander Waal forces increases.
Hence, physical state changes.

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