Dmitri Mendeleev

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    Purpose: Utilizing our comprehension of the arrangement of the elements in the periodic table (the way elements with common traits are grouped together), we will determine the name and location of each unknown element by clustering said elements with other known elements that they share the most characteristics with. In this lab we will momentarily fill the shoes of the Russian chemist Dmitri Mendeleev, who was the first to observe the patterns between elements arranged according to their properties. His periodic table left room for then undiscovered elements. Analysis: Through examining the physical properties of common elements, inspecting the properties and trends in the elements on the periodic table, and identifying unknown elements based on observed trends we can form our own crude periodic table. None of the elements are radioactive. For unknown #5, noticing that the color is gold was all you’d need to know that the element was Au. It’s also a solid and soft, just like Cu and Ag, which are in the same group. Unknown #4 is a gas, so that automatically restricts it to either group 17 or group 18 (groups with nonmetal gasses). Just like all the other elements in group 18, though, the unknown element is colorless, barely conductive, and not soluble. After inserting Kr into the blank space in group 18, you would then be able to see that there is a pattern of increasingly higher melting points as you go down…

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    Dmitri Mendeleev is the creator of the first periodic table. Dmitri was born on February 8, 1834, in Verkhnie Aremzyani, Russia to a family of 16. His dad was a teacher, who went blind. His mom ran a glass factory. At the age of 13, his dad died. Dmitri decided to go to college when he was 16. He applied to the same college his dad went to, and was accepted partially because they knew his dad. He studied to become a teacher there. When he was 20, he graduated at the top of his class. Then,…

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    great pride in finding out about the Deep-Sea Deposits and how the Coral Reef formed (Sir John Murray | biography). This gave him the driving passion to continue to search the ocean for many years to come. During this time (1870-1910) some of the biggest discoveries and advancements in science happened, such as when Dmitri Mendeleev invented the periodic table. Since a boy Mendeleev had been enthusiastic about chemistry and was determined to make a major discovery in it. Originally he had gone…

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    religion has set in the model of the universe. Dmitri Mendeleev had to work hard to break past the boundaries of society in order to apply his knowledge to come up with his scientific breakthrough of the periodic table. By asserting himself using the strategies he had learned from trial-and-error that enabled Mendeleev to strive for his conclusion of the perfect table. Mendeleev saw that many people failed to understand chemistry, and correlated this to the lack of clear system for classifying…

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    Shinya Yamanaka is a very successful biologist that is an expert in STEM cell research. He has recently become a frontrunner with the discoveries he has made in the field. To understand Yamanaka’s life, it is important to look at his early life, his accomplishments, and the significance/implications of these discoveries for the future. Shinya Yamanaka was a very well educated man that worked hard to get the positions he desired despite several setbacks. Yamanaka was born on September 4, 1962 in…

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    scientists which helped aid the making of the periodic table. Of those, the German chemist Robert Bunsen, after experiencing an unfortunate incident with arsenic, he began his study of natural explosives, like volcanoes. He studied how the geyser exerted pressure and how that pressure also built up. Kean then talks about how Bunsen invented the spectroscope which allowed scientists to look inside compounds without boiling them or putting them in acid. Towards the end of the chapter, Kean…

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    Dmitri Ivanovich Mendeleyev, born on February 8, 1834, was believed to be the youngest of 14 children. His father, Ivan Pavlovich Mendeleyev was a teacher at a local gymnasium. Around the time Dmitri was born, his father went blind and later died in 1847. Consequently to support the family, his mother Mariya Dmitriyevna Kornileva began working at a small glass factory in a nearby town, and eventually started managing it. On December of 1848, the factory burned down, and the family moved to St.…

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    Salbutamol Discovery Chiral chemistry was introduced in 1848 by French chemist and biologist, Louis Pasteur. He discovered this new branch of chemistry after he separated two isomers of ammonium tartate (1). This paved the way for several progressions in the pharmaceutical industry. Although it took approximately a century for scientists to use chiral compounds as effective drugs, they have played a remarkable role in the life of plants and animals (1). The credit for discovering the chiral…

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    Scandium Research Paper

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    How are elements useful for a particular use? An element is made from one type of atom and this article is about the element Scandium. Scandium was discovered in the year 1879 by Scientist Lars Fredrik Nilson in the university of Uppsala. The origin of the name comes from the word Scandia, which is the latin name for Scandinavia. This element belongs to group 3 which consists of transition metals and Scandium shares this group with the element Yttrium. There are 4 groups in the periodic table…

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    Demitri Mendeleeve was a Russian chemist who invented the first periodic table in 1869. The periodic table he made was very different from the modern day periodic table we know today. Henry Moseley updated Mendeleev's version of the periodic table in 1915. This is more like the periodic table that we know and use today. The only difference is that there has been many more elements added. Mendeleeve also had predicted a lot of the characteristics and properties of elements that would fill up…

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