Forensic toxicology represents a crucial role in criminal investigations. These skilled professionals examine bodily fluids and tissues to identify the presence of harmful substances. Their expertise may help establish the cause of death, reveal potential foul play, and ultimately support law enforcement in bringing to justice complex cases. A for

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