2.In your culture. Here is the information about Dmitri Mendeleev, the great- est Russian scientist. What was his contribution to the world's science? Complete the text with the words from the box in the correct form. Use the Word Building table on p. 147 to guess the meaning of the highlighted words. Dmitri Mendeleev is a great Russian scientist of the 19th century. He ... as a great chemist who ... the periodic clas- sification of the elements. Dmitri Mendeleev was born in Tobolsk in 1834. At school, Dmitri in mathematics, physics and geog- raphy but was not good at languages. In 1855, he graduated from the Pedagogical Institute in St Petersburg with a gold medal for his .... In 1856, he ... in chemistry. Dmitri Mendeleev's contribution to the world's science was ... He was the first ... the dependence of the quali- ties of the elements on their atomic weight. He fore- cast that the gaps in the table of elements would be filled in by elements which ... yet. Dmitri Mendeleev was greatly honoured as a ... of academies in many countries. Element No. 101 is called Mendelevium ...