In today's rapidly evolving technological landscape, enhancing STEM proficiency is paramount to securing a future-ready workforce. As fields continue to integrate automation and technological advancement, the demand for skilled individuals with expertise in science, technology, engineering, and m

Before modern classification systems, 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 chemicals. He proposed that three elements with similar properties could be