Name of Element: Uranium
Standard Notation:
Physical Properties (What it looks like): Uranium is the 7th element in the Periodic Table with the atomic symbol of ‘’U’’ and a atomic number of 92. Uranium is a heavy, toxic solid metal that is a silvery, white colour. Uranium has a very high density of 19.1 g/cm3. Uranium has the highest atomic weight. The hardness of Uranium is hard enough to scratch glass. Uranium is weak in radioactivity but still is considered a radioactive element. Uranium is malleable and ductile. At room temperature Uranium is in its solid form. The melting point of Uranium is 1132.2 degrees celsius and the boiling point is 4131 degrees celsius. One Uranium atom has 92 protons and 92 electrons. Uranium is a little bit
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Hydrochloric and Nitric Acid both dissolve in Uranium. Other non-oxidizing acids attack Uranium slowly. When Uranium is divided properly, it can tarnish in air very quickly, as that occurs Uranium becomes covered with a dark layer of uranium oxide film. Water also attacks Uranium slowly at room temperature and faster at higher temperatures. Uranium powder will ignite very quickly in air.
What is this element used for: Uranium generates the heat in nuclear power generators. Uranium also produces the fissile fuel material for nuclear weapons like atomic or nuclear bombs. Uranium in ores is extracted chemically and converted into uranium dioxide or other chemical forms usable in industry. Uranium in its colourent form is used in uranium glass, which produces a glowing lemon, yellow to green coloured glass.
What are the compounds of this element used for: Uranium oxide in its chemical form which is a compound in this element is used for nuclear fuel. Uranium-fluorine compounds are commonly used in Uranium processing, Uranium hexafluoride and Uranium tetrafluoride are the two most common compounds that are
The Influence of the Periodic Table The whole discovery of DNA was made possible by finding out what white bloods cells in the body were made up of and this was found from the periodic table of elements. DNA was discovered in 1953 by many people, but the main discovers are James Watson and Francis Crick. When investigating a substance they realized that it had unexpected properties different to those of the other proteins they were familiar with. At the time they did not know, but they just
Uranium was originally discovered by Martin Heinrich Klaproth in 1789. Martin Klaproth was a German Chemist who thought he had discovered pure Uranium, however, it was Uranium Dioxide that he extracted from pitchblende.Pitchblende is black mineral consisting of oxides of Uranium. Uranium Dioxide is a dioxide of Uranium, which is a naturally occurring powder in uraninite. Pure Uranium was discovered by a French Chemist by the name of Eugene -Melchoir Peligot. Peligot found that by reducing Uranium
figuratively. The element uranium is a perfect example; this element has the power to do well in generating power for millions of people, and the power to do wrong in nuclear warfare. The earth is made up of roughly 111 elements and combinations thereof, but only around 90 of the elements occur naturally. In 1789 Martin Klaproth
OF URANIUM FROM SEAWATER BACKGROUND / SUMMARY: Uranium is the heaviest of the naturally occurring elements. It can be located in row seven of the periodic table and belong to the actinide group. Under standard conditions uranium is a hard silvery metal. It is malleable where it can be shaped by pounding it into a thin sheet. It is also ductile and it is very dense and heavy. Pure uranium is radioactive. It will react with most nonmetallic elements to make compounds. A black layer of uranium oxide
environment, and it has been right under our noses! Nuclear power, but not the nuclear power you’re thinking of. The common nuclear power plant uses uranium or a mix of uranium and plutonium, but the safest method substitutes the high use of uranium for thorium. What is thorium? Well, it is another element on the periodic table just like uranium and plutonium. The difference is that this one creates less radiation. That means that if a disaster were to happen, the quarantine period would be reduced
How was the Periodic Table Discovered? The periodic table is one of the most known things in science. It has elements, metals, non-metals, solids, liquids and gases. The beginning of the periodic table starts back in 1669 when a German merchant and alchemist named Hennig Brad began creating a Philosophers Stone. He then discovered Phosphorus. A few years later in 1809 47 elements had been discovered, in 1863 chemist John Newlands began forming the elements in groups and discovering more which was
1. There is a definite dark side to the periodic table. This has to do with the elements itself and the way people use it. There are several elements that are highly radioactive and explosive. For example uranium is an element that is very toxic to humans as it is radioactive. Because uranium is a radioactive element it is used in many nuclear weapons. Despite the fact that uranium is so dangerous we have found common uses for it. Uranium is used as counterweights for aircrafts and as ballasts for
Chemist Marie Sklodowska Curie and French Chemist Pierre Curie discovered Radium after realizing that when separated from Uranium a substance (Radium) was more radioactive. To notice the element Curie had to process several tons of pitchblende to find small amounts. People can only imagine since one ton of uranium ore only contains around 0.14 grams of radium. On the periodic table Radium (Ra) is in period number 7 and group number 2, commonly known as the Alkaline Earth Metals. Its atomic
The element Fluorine is an extraordinary element. The uses for this element are vast and very extensive. This element was discovered in 1810 and very long ago. The element was discovered by Henri Moissan. The origin of the word ”Fluorine” came from the Latin word fluere meaning “to flow”. F is the symbol for Fluorine to make it shorter. The atomic number for the element known as fluorine is 9 . The atomic weight of Fluorine is about 19.99. Fluorine has 18 known isotopes, only 1 of the 18 known isotopes
Depleted uranium, referred here as DU, is a by-product of the naturally produced element uranium, a member of the periodic table. Exposure to DU is commonly talked about by almost everyone in the military spending time out of the wire, however, not limited to only those combat service members. Uranium History and Beginning Risks Before going straight in on the subject of DU, it would be appropriate to explain it’s parent. Uranium goes back many centuries. According to Briner (2010), Uranium assisted
particles made of atoms. The atomic theory first had 5 points which were stated by John Dalton who came up with it. The first one was that all elements were made up of small units called atoms. The second one was that all atoms of a given element are identical to each other. Third, all the atoms were different from all the other atoms. Fourth, atoms of different elements combined together in equal numbers to form compounds. Fifth and final, atoms cannot be broken down, created or divided. John Dalton was
Chapter Four: Where Atoms Come From: “We Are All Star Stuff” 1. How are elements with atomic numbers greater than iron’s atomic number formed? (1 mark) Elements with atomic numbers greater than iron’s atomic number form during the formation of a supernovae, also known as a mini-bang. The process begins when a massive star has depleted its supply of magnesium and silicon, and only has a bare iron ore remaining. Now, the star no longer has the energy to maintain its immense mass against the force
The element Fluorine had a rocky beginning to becoming a recognized element. Chemists in the 19th century were aware of its existence, but could not manage to isolate it. Fluorine was named in 1812 by André Ampère, derived from the latin word “fluere” which means “to flow” (“Rscs”). George Glore made the chemical through an electrolytic process in 1869, but his machine then exploded due to fluorine reacting with another chemical (“The Essentials”). Eventually, chemist Henri Moissan managed to obtain
Born on November 7th, 1878, in Vienna, Austria, Lise Meitner was one of the most significant and influential physicists of the twentieth century. Her accomplishments include her experiments done in radioactivity and her discovery of nuclear fission. Although Meitner is often not credited or acknowledged for her work, she was extremely fervent about physics, once stating, “I love physics with all my heart. It is a kind of personal love, as one has for a person to whom one is grateful for many things”
all know that nuclear power plants use uranium to generate their power. Most people believe uranium is dangerous because of its radioactivity and its use in atomic bombs. If you believe this then I agree with you, uranium is a dangerous element that should not be used. Luckily for us there is a safe alternative to uranium, it’s called thorium. Thorium shares several similarities with its neighbour two doors down on the periodic table, uranium. Both elements are silvery metals and are mildly radioactive