FROM an examination of the available data for cellulose and the sugars, we have formed the conclusion that the six-atom sugar ring is associated in the crystalline state with certain linear ...
Remember that the lattice arrangement is giant - for example, a single grain of salt may contain 1.2 × 10 18 (1,200,000,000,000,000,000) ions. The lattice arrangement continues in three dimensions.
It has a giant lattice structure with strong electrostatic forces of attraction. Small molecules - AQA A covalent bond is a shared pair of electrons. Covalent bonding forms molecules. Substances ...
In the zinc blend structure the sulphur ions form an fcc structure and the zinc ions occupy half of the tetrahedral sites in this structure to attain charge neutrality. The crystal has a lattice ...
In other words, they require knowledge about the crystal prior to determining its structure. This makes existing experimental data difficult to analyze when the lattice constant is not precisely ...