Forensic toxicology represents a read more crucial role in criminal investigations. These skilled professionals examine bodily fluids and tissues to detect the presence of harmful substances. Their expertise frequently help determine the cause of death, reveal potential foul play, and ultimately aid law enforcement in bringing to justice complex ca

Before modern classification systems, scientists faced challenges in the known elements. One early attempt was made by Johann Wolfgang Döbereiner, a German chemist dobereiner triads law, dobereiner law who observed a striking pattern among certain groups of compounds. He proposed that three elements with similar characteristics could be grouped to