Molecular solids Flashcards
Are molecular solids typically brittle?
Yes, molecular solids are often brittle, especially if the molecules are held together by weak forces such as van der Waals forces or hydrogen bonds.
Are molecular solids malleable or ductile?
No, molecular solids are usually not malleable or ductile. The molecules are held together by relatively weak intermolecular forces.
Do molecular solids have high or low melting points?
Molecular solids typically have lower melting points compared to ionic and covalent network solids because the forces holding the molecules together are weaker.
Are molecular solids soluble in water?
Molecular solids can be soluble in certain solvents, especially if the solvent can break the intermolecular forces between the molecules.
Why are molecular solids often brittle?
Molecular solids are often brittle because weak intermolecular forces, such as van der Waals forces or hydrogen bonds, hold the molecules together, and these forces are easily disrupted, leading to breakage.
What types of forces are responsible for holding molecules together in molecular solids?
Intermolecular forces, including van der Waals forces, dipole-dipole interactions, and hydrogen bonding, hold molecules together in molecular solids.
How does the strength of intermolecular forces relate to the melting point of molecular solids?
The strength of intermolecular forces influences the melting point of molecular solids; stronger forces result in higher melting points, and weaker forces result in lower melting points.
