Elements, Group 7 - Halogen
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Toxicity of Halogen
Reactivity of Halogen
Melting Point and Boiling Point
Density & Electronegativity & Solubility
Color of Halogens
Melting points and boiling points
The melting and boiling points increase down the group because of the van der Waals force. The size of the molecules increases down the group. This increase in size means an increase in the strength of the van der Waals forces.
F < Cl < Br < I < At