Закончите предложения.1has served for almost 150 years as a key to discovering new elements and it has retained its key capacity until now.2.His lectures were always listened to with great ...3began to write a great text book of chemistry, known in its English translation as "Principles of Chemistry" Hard work preceded it.Mendeleyev made thousands of experiments and calculations, wrote a lot of letters, studied many reports.4.All those data were being brought together ...5earned him lasting international fame.6were being brought together and grouped in a special way.7serves as a basis for thousands of researches.8.It is studied by philosophers, historians, teachers ..
2. His lectures were always listened to with great interest and attention because he had a deep understanding of the subject matter and his explanations were clear and easy to follow. Additionally, he had a passion for teaching and was able to convey his enthusiasm to the students, making the lectures engaging and enjoyable.
3. Before Mendeleyev began to write his famous textbook, he dedicated a significant amount of time and effort to conducting various experiments and calculations. This allowed him to gather a large amount of data and observations, which were crucial for the development of his ideas and theories. Furthermore, he actively sought out information from other scientists and incorporated their findings into his work, ensuring that he had a comprehensive understanding of the field.
4. All those data were being brought together in order to identify patterns and trends among different elements. Mendeleyev realized that by arranging the elements in a specific way, based on their properties, he could reveal hidden relationships between them. This led him to develop the periodic table, where elements with similar properties are grouped together and arranged in increasing order of atomic number.
5. Mendeleyev's contributions to the field of chemistry earned him lasting international fame because his periodic table provided a framework for organizing and understanding the properties of elements. This improved the accuracy of chemical predictions and allowed scientists to make significant advancements in various branches of chemistry, such as synthesizing new compounds and understanding chemical reactions.
6. The elements in the periodic table were being brought together and grouped in a special way based on their chemical properties. This arrangement allowed scientists to recognize patterns and trends in the behavior of elements, which facilitated the study of chemical reactions and the development of new materials and technologies.
7. The periodic table serves as a basis for thousands of researches because it provides a comprehensive and systematic framework for studying and understanding the properties of elements. Scientists are able to use the periodic table to make predictions about the behavior of elements and to guide their research in various fields, such as materials science, pharmaceuticals, and environmental studies.
8. The periodic table is studied by philosophers, historians, and teachers because it is not just a scientific tool, but also a cultural and historical artifact. It represents centuries of scientific progress and reflects our evolving understanding of the fundamental building blocks of matter. Additionally, the periodic table has had a profound impact on our society and has shaped various aspects of our daily lives, such as the development of new technologies and the discovery of new elements. Hence, studying the periodic table allows us to appreciate the interconnectedness of science, history, and human civilization.