Forensic toxicology plays a 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 assist law enforcement in solving complex cases. A forensic toxicol

Before current methods for element arrangement, scientists struggled to the known elements. One early attempt was made by Johann Wolfgang Döbereiner, a German chemist who recognized a striking pattern among certain groups of chemicals. He proposed that three elements with similar traits could be grouped together as triads, forming the basis for hi