What solids have the highest melting points?


Quick Answer

Solids that are held together by covalent bonds have the highest melting points because the molecules are firmly held together in a crystal lattice. This property makes such solids poor electrical conductors since the molecules cannot move. The metallic solid tungsten has the highest melting point among the elements.

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Full Answer

Network covalent solids have even higher melting points than covalent solids because of the bonds shared by all the atoms. Every atom shares a covalent bond with every other atom, which means there are no molecules. As such, heat energy is spread over the entire crystal, which makes it very difficult to melt.

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