Forensic toxicology represents a crucial role in criminal investigations. These skilled professionals scrutinize bodily fluids and tissues to detect the presence of harmful substances. Their expertise can help determine the cause of death, shed light potential foul play, and ultimately support law enforcement in resolving complex cases. A forensic

Before current methods for element arrangement, scientists attempted to organize the known elements. One early attempt was made by Johann Wolfgang Döbereiner, a German chemist who observed a striking pattern among certain groups of elements. He proposed that three elements with similar traits could be grouped together as these sets, forming the ba