Gallium? What is that? Well I will get to that but first let me tell you why I chose to research the element known as gallium. I became interested in gallium after YouTube suggested that I watch videos about gallium. Then as I watched I learned that gallium; a post-transition metal, will turn into a liquid as soon as a person touches it. Cool right? That's exactly what I thought. I found it extremely odd. Usually metals are widely known to have intense strength and can bare a lot of heat and beating. But that's not the case with gallium. And it made me really curious. So here we are now. In 1871 gallium’s existence was first predicted by a Russian chemist known as Dmitri Mendeleev. Mendeleev called it Eka-Aluminum based off of its position …show more content…
The shorthand configuration is [Ar] 4s2 3d10 4p1(Dynamic Periodic Table). While gallium does not have a natural function in biology it does have roles in biomedicine. Gallium ions interact with processes in the body similar to iron(III) (Dynamic Periodic Table). Since these processes include inflammation, a marker for many disease states, several gallium salts are used in pharmaceuticals and radiopharmaceuticals in medicine (Dynamic Periodic Table). When gallium ions are mistakenly taken up in place of iron(III) by bacteria, the ions interfere with respiration and the bacteria dies (Dynamic Periodic Table). The reasons for this is because iron(III) is redox-active which allows the transfer of electrons during respiration whereas gallium is redox-inactive and does not allow for the transfer of electrons during respiration (Dynamic Periodic Table). Another application is gallium nitrate. Gallium nitrate is used as a intravenous pharmaceutical to treat hypercalcemia associated with tumor metastasis to bones (Dynamic Periodic
Although some of the elements have been known for thousands of years, our understanding of many elements is still young. Mendeleev’s first Periodic Table contained only 63 elements, and about that many were discovered in the following 100 years. Just like countries, emperors, philosophers, and cities, elements have histories, too.“The Disappearing spoon” by Sam Kean, is a detailed history of the elements on the Periodic Table. Kean does a important job of telling every single element’s journey throughout the history of mankind: from the earliest times, when chemistry was intermingled with alchemy, to these days of modern chemistry. For example: Thallium is considered the deadliest element, pretending to be potassium to gain entry into our cells where it then breaks amino acid bonds within proteins. The CIA once developed a plan to poison Fidel Castro by dosing his socks with thallium-tainted
When and how the element was discovered including who discovered it and the circumstances and/or investigations that lead to them discovering the element?
Hans Christian Orstead, Danish chemist, first isolated aluminum in 1825, using a chemical process involving potassium amalgam. Between 1827 and 1845, Friedrich Wöhler, a German chemist, improved Oersted's process by using metallic potassium. He was the first to measure the specific gravity of aluminum and show its lightness. In 1854 Henri Sainte-Claire Deville, in France, obtained the metal by reducing aluminum chloride with sodium. Aided by the financial backing of Napoleon III, Deville established a large-scale experimental plant and displayed pure aluminum at the Paris Exposition of 1855.
The Beryllium element, an alkaline earth metal which belongs to group II of the periodic table, was first discovered in 1798 by L.M. Vauquelin. Vauquelin,a French chemist, was doing work with aluminum and noticed a white powder that was nothing like that of aluminum or any of its derivatives. Vauquelin named this mystery powder, gluinium because of its sweet taste was like that of glucose. In 1828, Wohler, a German metallurgist reduced it to its metallic form and renamed it beryllium.(figure 2)
Thomas Gallaudet was a young healthy man. He had family In Connecticut and in 1814, he decided to go visit them and noticed that his younger siblings where leaving a girl out. He decided to go see why, he found that this young girl, Alice Cogswell was deaf. Him not knowing sign language tried to communicate with her by writing in the dirt. He was wearing a hat and so he decided to point to his hat and write H-A-T. She understood, which the inspired him to teach her more. Alice’s father, Mason Cogswell who was a doctor, paid for Gallaudet to travel to europe. Europe was one of the few places where the idea of a school for deaf children had be established.
Two chemists came upon the discovery and those two are: Sir William Ramsay, who is from Scotland, and Morris M. Travers who is from our homeland. This element was founded on May 30, 1898. The way that those two came upon the element Krypton was that they first found the elements Argon and Helium. From using their common knowledge they figured that there had to be some elements between those two on the periodic table, so they did a ton of experiments and through trials and trials they came up with a couple more elements and one of those elements was Krypton. Next the essay will discuss the shape of Krypton and where it is found.
Gold is a metal that is dense. Its density can be felt. It is not negligible as some elements appear to be. The element gets melted from solid to a liquid when it reaches a temperature of up to 1066 degrees. This is the melting point of element gold (Saunders, 2003).
In the early hours of a cold morning, Gallup awaits death while the sun rises. Gallup’s morning “wake-up call’ consists of sirens often after another local was found frozen on the roadside with a liquor bottle near. Labeled as “Most patriotic small town” Gallup takes pride in a good title, but there is a bad side to Gallup, notoriously known as “Drunk town”. Gallup suffers from Poverty, homelessness and substance abuse on the reservations that come into the little town.
The History of the Periodic Table of Elements Dmitri Mendeleev and the early Periodic Table Dmitri Mendeleev was born in Tobolsk, Siberia; on February 7, 1834 .He was the youngest of 14 children born to Maria Dmitrievna Korniliev and Ivan Pavlovitch Mendeleev. His father was director of the local gymnasium. Maria Korniliev's family settled in Tobolsk in the early 1700's and introduced paper- and glass-making to Siberia. Unfortunately, Ivan died when Dmitri was quite young, leaving his wife to support the large family. The death hit them hard economically especially for a large family, which meant that Maria had no other choice but to find work. Maria's family owned a glass factory and they allowed her to take over managing the company so she could support the family. Dmitri, being the youngest, appears to have been his mother's favorite child and was provided as many opportunities as she could afford. From his early years, she began to save money for Dmitri to attend the university.
Scandium is an element on the periodic table. It is a metal in group number 3 also known as a transition metal. Scandium has an atomic number of 21 and an atomic mass of 44.95. Sc is the chemical symbol for Scandium which has 21 protons, 21 electrons, 24 neutrons and 2 valence electrons. Scandium is a soft, silvery element which is very rare. It was discovered in 1879 by the Lars Fredrik Nilson. He detected this scandium in the minerals euxenite and gadolinite. He named the element scandium, from the Latin word Scandia meaning "Scandinavia". Scandinavia is now known as the countries of Sweden, Norway, and Denmark. The reason why Scandium was named after Scandinavia is because it is in the Scandinavian region where Scandium is most abundant.
It was discovered by Sir Humphrey Davy in England, in 1807. Sir Davy was able to isolate potassium using electrolysis. Potassium was the first metal isolated by this procedure. Today, it is still not found free in nature. It is obtained by electrolysis of chloride or hydroxide.
Dalton was the first person to develop a scientific atom theory, the ancient Greeks had ideas about the atom but could not prove it scientifically.
Ions are critical to human health. As defined by Dictionary.com, an ion is an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons. The human body is the most intricate of ‘designs,’ despite the fact it is composed of basic natural resources called elements. The ions discussed in this paper include oxygen, carbon, potassium, and sulfur. A healthy body is composed of these ions, along with others (zinc, fluoride, iron, etc.). The absence of these elements could lead to an unhealthy body, and make it an easier target for diseases. The chemical formulas, charges, and properties will also be discussed in this document. Also, addressed is the essential role of the ion presented, the way in which the ion serves the body, the diseases that may result from deficiency, and the global distribution of these deficiencies. Ions are an essential part of human health. The ions that are present make the body’s daily functions possible, allowing it to be protected from cruel bacteria or diseases.
Then both Meyer and Mendeleyev built periodic tables alone, Meyer more impressed by the periodicity of physical properties, while Mendeleyev was more interested in the chemical properties. Then Mendeleyev had published his periodic table and his law in 1869 and forecasted the properties of the missing elements, and chemists then began to be grateful for it when the discovery of elements was predicted by the table that had taken place. Although, periodic tables have always been related to the way scientists thought about the shape and structure of the atom, and has changed over the years exactly for that reason.
The Age of Discovery of Elements "The nineteenth century was the golden age for the discovery of