Forensic toxicology represents a crucial role in criminal investigations. These skilled professionals examine bodily fluids and tissues to uncover the presence of harmful substances. Their expertise can help pinpoint the cause of death, provide insight potential foul play, and ultimately support law enforcement in resolving complex cases. A forens

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 elements. He proposed that three elements with similar properties could be grouped together as triads, forming the ba