Answer:
Step-by-step explanation:
Dmitri Mendeleev was the boy who became the crown jewel of Russian science. He was a Russian chemist and inventor who is best known for his creation of the periodic table, which arranged the elements in order of their atomic number and chemical properties. This groundbreaking discovery helped to lay the foundation for modern chemistry and remains one of the most important tools for understanding the properties of the elements and the relationships between them.