Chemistry - Complete Pblock- Question with Solution | TestHub

Boron has a very high melting point ($2076°C$) due to its unique crystal structure. It forms strong covalent bonds in an icosahedral B₁₂ unit, which then link together to create a robust, three-dimensional crystalline lattice. This extensive network of strong covalent bonds requires a significant amount of energy to break, resulting in its high melting point.