Solubility
The ionic lattice dissolves in polar solvents, such as water.
The polar water molecules break down the lattice by surrounding each ion to form a solution.
Covalent compounds
Types of structures include a simple molecular lattice and a giant covalent lattice. A simple molecular lattice is a 3D structure of molecules, bonded together by weak intermolecular forces. A giant covalent lattice is a 3D structure of atoms, boneded together by strong covalent bonds.
Simple molecular structures
Simple molecular structures are made up from small, simple molecules, such as Ne, H2, O2, N2 and H2O. In a solid molecular lattice molecules are held together by weak forces between molecules. The atoms within each molecule are bonded together by covalent bonds.
The simple molecular structure of Iodine. The different forces within the simple molecular structure of solid I2 are covalent bonds and van der Waals'. The atoms are held together by covalent bonds, and there are van der Waals' forces between the I2 molecules.
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