Term of the Day
A substanceA material that is either an element or that has a fixed ratio of elements in its chemical formula. that solidifies with water included in the crystal latticeAn orderly, repeating arrangement of points in 3-D space in which each p;oint has surroundings identical to every other point. A crystal's constituent atoms, molecules, and ions are arranged about each lattice point.. An example is copper(II) sulfate pentahydrate, CuSO4˙5H2O where four water molecules are coordinate-covalently bonded to the copper ionAn atom or covalently bonded set of atoms that carries an overall net charge. and one is hydrogen bonded to the sulfate ion.