Graphology - the study of handwritings; autograph - written with one's own hand; seismograph - a machine noting strength and duration of earthquakes. marina - a harbor for pleasure boats; maritime - relating to the sea; submarine - an undersea boat; aquamarine - color of sea water.
Chemicals are classified into various hazard classifications in accordance with their physiochemical properties and health hazards. Each class of chemical has a pictorial symbol called a danger symbol.
Names of Chemical Compounds. Chemical nomenclature-the system used to name chemical compounds. Being able to describe compounds by name is essential for communication among scientists. Each chemical substance has a unique chemical symbols and names and structure, the same molecule can have several different names.ame the parts of the compound in the order presented in the formula. The chemical name provides scientific and technical information and the chemical name describes the chemical structure of the compound. In case of drugs, it will be long chemical names and complex.