Forensic toxicology represents a crucial role in criminal investigations. These skilled professionals scrutinize bodily fluids and tissues to uncover the presence of harmful substances. Their expertise may help pinpoint the cause of death, provide insight potential foul play, and ultimately assist law enforcement in resolving complex cases. A fore

Before modern classification systems, scientists faced challenges in the known elements. One early attempt was made by Johann Wolfgang Döbereiner, a German chemist who noticed a striking pattern among certain groups of compounds. He proposed that three elements with similar characteristics could be grouped together as a triad, forming the basis fo