Dimitri Mendeleev

Dmitri Mendeleev was a Russian chemist best known for creating the periodic table of elements. In 1869, he organized the known elements based on their atomic weights and properties, which allowed him to predict the existence and characteristics of elements not yet discovered. His periodic table revealed patterns and relationships between elements, revolutionizing chemistry by providing a systematic way to understand and classify elements. Mendeleev’s work was fundamental in advancing scientific knowledge of atoms and elements, and his periodic table remains a central tool in chemistry today.