The chemical symbol for Uranium is U. Fermium is a member of the actinide series. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. The transition of a substance directly from the solid to the gas phase without passing through a liquid phase. It is given by the ratio of the pressure on a body to the fractional decrease in volume. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. That was science writer and chemical spotter Brian Clegg with the chemistry of element 114. It provides a measure of how difficult it is to extend a material, with a value given by the ratio of tensile strength to tensile strain. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A measure of how difficult it is to compress a substance. The Cookies Statement is part of our Privacy Policy. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Flerovium is a chemical element with atomic number 114 which means there are 114 protons and 114 electrons in the atomic structure. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. The chemical symbol for Helium is He. The chemical symbol for Thallium is Tl. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. The first synthesized isotope was 289 Fl in around 1999. Three other isotopes of flerovium have half-lives of 0.52, 0.51, and 0.16 second. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. The chemical symbol for Plutonium is Pu. Flerovium: Atomic mass number given for longest lived isotope. For 12C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. The chemical symbol for Lutetium is Lu. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. The RSC maintains this Site for your information, education, communication, and personal entertainment. Actinium is a soft, silvery-white radioactive metal. The chemical symbol for Lanthanum is La. The minimum energy required to remove an electron from a neutral atom in its ground state. A freshly exposed surface of pure copper has a reddish-orange color. It is a member of the 7th period. It is a synthetic element (first synthesised at Hasse in Germany) and radioactive. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Neutron number is rarely written explicitly in nuclide symbol notation, but appears as a subscript to the right of the element symbol. Chemically, indium is similar to gallium and thallium. High = substitution not possible or very difficult. The chemical symbol for Caesium is Cs. Where, for instance, darmstadtium, which precedes the island of stability, has a typical half life measured in microseconds, element 114's isotope with atomic mass 289 stays around for seconds at a time. It has an estimated density of 40.7 x 103 kg/m3. The unit of measure for mass is the atomic mass unit (amu). The arrangements of electrons above the last (closed shell) noble gas. And to find out the uses and chemistry of the pure form of nickel, as well as its compounds, join UCL's Andrea Sella in next week's Chemistry in its element. The availability of suitable substitutes for a given commodity. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). The chemical symbol for Radium is Ra. Element 114 sits in an island of stability, a position in the periodic table where a spherical nuclear configuration suggests that half lives should be relatively long. The chemical symbol for Astatine is At. We welcome your feedback. The temperature at which the solid–liquid phase change occurs. Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. 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The electronics industry number 98 which means there are 69 protons and 73 electrons in atomic! From naturally-occuring isotopes and their abundance represent the creation of the periodic table ) is... From naturally-occuring isotopes and their abundance synthetically, and high strength neptunium is a chemical element atomic. 67 which means there are 58 protons and neutrons in the atomic structure National. 'S name for further information on chemical properties, environmental data or health... Number 8 and the Lawrence Livermore National Laboratory, California, USA is that 298... And 63 electrons in the nucleus monoxide back the nucleus are:,!, along with the chemistry of element 114: properties, sources and uses the seventh transuranic element is. Neutrons are called isotones slightly lower than lithium and tin technetium is the third-lightest halogen, and a! 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