Notes from Dr. Borkosky

The chemical symbol for Beryllium is Be. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. Atomic mass of Uranium is 238.0289 u. Like the other metals of the platinum group, ruthenium is inert to most other chemicals. The chemical symbol for Krypton is Kr. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl.

Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. In nuclear reactors, promethium equilibrium exists in power operation. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. After entering the bloodstream, the absorbed uranium tends to bioaccumulate and stay for many years in bone tissue because of uranium's affinity for phosphates. Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. We assume no responsibility for consequences which may arise from the use of information from this website. The chemical symbol for Tantalum is Ta.

The chemical symbol for Europium is Eu. The chemical symbol for Platinum is Pt. The name samarium is after the mineral samarskite from which it was isolated. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Tin is a post-transition metal in group 14 of the periodic table. Atomic Mass of Uranium. The most common forms of uranium oxide are triuranium octoxide (U3O8) and UO2. [20] Exposure to strontium-90, iodine-131, and other fission products is unrelated to uranium exposure, but may result from medical procedures or exposure to spent reactor fuel or fallout from nuclear weapons.

The bulk properties of astatine are not known with any certainty. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. [27] Uranium is not absorbed through the skin, and alpha particles released by uranium cannot penetrate the skin. Neptunium is the first transuranic element. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. The chemical symbol for Neptunium is Np. Our Website follows all legal requirements to protect your privacy. [9], A person can be exposed to uranium (or its radioactive daughters, such as radon) by inhaling dust in air or by ingesting contaminated water and food. Californium is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all the elements that have been produced in amounts large enough to see with the unaided eye (after einsteinium). Mercury is commonly known as quicksilver and was formerly named hydrargyrum. The fission of one atom of uranium-235 releases 202.5 MeV (3.24×10 J) inside the reactor. The Occupational Safety and Health Administration (OSHA) has set the permissible exposure limit for uranium exposure in the workplace as 0.25 mg/m3 over an 8-hour workday.

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