The element with the highest melting point is bromine (Br2). As a result, choice (A) is the right one.
The attractive and repellent forces that form between the molecules of a substance are known as intermolecular forces. The majority of the chemical and physical characteristics of matter are governed by these forces. Vander Waals forces are the intermolecular forces that hold molecules together.
Intermolecular forces are those that exist within the molecules themselves. Intermolecular forces keep the particles of solids and liquids bound together.
Dipole-Dipole Interactions, Ion-Dipole Interactions, Ion-Induced Dipole Interactions, Dipole-Induced Dipole Interactions, and Dispersion Forces are the intermolecular forces.
A significant amount of energy will be needed to break bonds as atom sizes grow because of the stronger intermolecular force. Since among all the elements, bromine is the largest in size. Bromine will therefore have the highest melting point.
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