Texas Longhorn cattle can efficiently process many grassland products which go untouched by other breeds. Examples include huisache, huajillo brush, willows, mesquite, yucca, and many other esoteric strains of substandard fare.
chemical formula a combination of symbols used to express the chemical components of a substance. empirical formula a chemical formula that expresses the proportions of the elements present in a substance.
The chemical formula is a comprised of the symbols of the elements present and the relative number of each element. An empirical formula is a representation that shows only the lowest whole number ratio of the elements present. The molecular formula is based on the actual molecule.