Alexander Butlerov
1. Alexander Butlerov was a ……..(SIGNIFY) figure in the history of Russian chemistry.
2. He……….(DEVELOP) the theory of chemical structure.
3. This theory explained how atoms ………(BE) connected in molecules.
4. Butlerov………….(EMPHASIZE) the importance of the arrangement of atoms.
5. He ………..(SYSTEM) studied organic compounds.
6. (HE) ………work was influential in shaping modern organic chemistry.
7. Butlerov established a strong school of ………(CHEMIST) in Russia.
8. He was a ………(DEDICATE) teacher who trained many important chemists.
9. His work ………..(ACCELERATE) the growth of chemical research in Russia.
10. Butlerov's …….(THEORY) contributions remain fundamental to understanding chemical bonding.