Forensic toxicology holds a crucial role in criminal investigations. These skilled professionals scrutinize bodily fluids and tissues to uncover the presence of harmful substances. Their expertise can help pinpoint the cause of death, reveal potential foul play, and ultimately aid law enforcement in bringing to justice complex cases. A forensic to

Before contemporary methods of organizing elements, 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 chemicals. He proposed that three elements with similar traits could be grouped together as these sets, forming the