To the long-term success of society, it's to invest in Science, Technology, Engineering, and Mathematics development. These focus not only prepares learners to key analytical skills but and inspires the of creators will drive to finding solutions for complex challenges affecting our . Sc

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 compounds. He proposed that three elements with similar character