Вставить слова в текст Dmitri Mendeleev is a great Russian scientist of the 19th century. He _____ as a great chemist

Dmitri Mendeleev is a great Russian scientist of the 19th century. He is recognized as a great chemist who created the periodic classification of the elements. Dmitri Mendeleev was born it Tobolsk in 1834. At school, Dmitri succeed in mathematics, physics, and geography but was not good at languages. In 1855 he graduated from the Pedagogical Institute in St Petersburg with a gold medal for his achievements. In 1856, he received a degree in chemistry. Dmitri Mendeleev\'s contribution to the world\'s science was enormous. He was the first created the dependence of the qualities of the elements on their anatomic weight. He forecast that the gaps in the table of the elements would be filled in by elements which had not been discovered yet. Dmitri Mendeleev was greatly honoured as a member of academies in many countries. Elements No 101 was named after him.