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

Before current methods for element arrangement, scientists faced challenges in the known elements. One early attempt was made by Johann Wolfgang Döbereiner, a German chemist who recognized a striking pattern among certain groups of compounds. He proposed that three elements with similar properties could be grouped together as a triad, forming the