Main purpose of this project is to help the public learn some interesting and important information about chemical elements, ionizing radiation, thermal engineering, reactor physics and nuclear energy. The motion of individual atoms, ions, or molecules in a solid is restricted to vibrational motion about a fixed point. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. Tellurium is far more common in the universe as a whole than on Earth. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. The chemical symbol for Rhenium is Re. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. The metal has unusual superconductive properties. The chemical symbol for Xenon is Xe. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. Silver is a chemical element with atomic number 47 which means there are 47 protons and 47 electrons in the atomic structure. The isotope 157 Gd has highest thermal stability as known. The chemical symbol for Rubidium is Rb. Emas Logam. It is the fourth most common element in the Earth’s crust. The chemical symbol for Caesium is Cs. Thermal properties: Phase: Solid: Melting Point: 1313 °C: Boiling Point: 3250 °C: Absolute Melting Point: 1586 K: Absolute Boiling Point: 3523 K: Critical Pressure: N/A: … Technical data for Gadolinium Click any property name to see plots of that property for all the elements. Note that, these points are associated with the standard atmospheric pressure. It is the heaviest essential mineral nutrient. The chemical symbol for Lawrencium is Lr. This website does not use any proprietary data. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. Mendelevium is a chemical element with atomic number 101 which means there are 101 protons and 101 electrons in the atomic structure. Radon is a radioactive, colorless, odorless, tasteless noble gas. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. Pure radium is silvery-white alkaline earth metal. The chemical symbol for Terbium is Tb. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Melting Point: 2,395 F (1,313 C) Boiling Point: 5,923 F (3,273 C). Gadolinium is not usually found in nature as the free element, instead it is contained in minerals such as gadolite (Figure 1), monazite, and bastnasite. Gadolinium has the highest thermal neutron capture cross-section of any known element (49,000 barns). It is also the most corrosion-resistant metal, even at temperatures as high as 2000 °C. Gadolinium has a shiny metallic luster with a slight yellowish tint. Caesium has physical and chemical properties similar to those of rubidium and potassium. The chemical symbol for Silicon is Si. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. The chemical symbol for Boron is B. Zirconium is widely used as a cladding for nuclear reactor fuels. Titanium is a lustrous transition metal with a silver color, low density, and high strength. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. It is a soft and reactive metal of light grey color. Chlorine is a yellow-green gas at room temperature. Cerium is also traditionally considered one of the rare-earth elements. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. The chemical symbol for Sulfur is S. Sulfur is abundant, multivalent, and nonmetallic. Francium is an alkali metal, that has one valence electron. In 1886, French chemist Paul Émile Lecoq de Boisbaudran confirmed Marignac’s discovery. The chemical symbol for Arsenic is As. The chemical symbol for Manganese is Mn. Although neodymium is classed as a rare earth, it is a fairly common element. 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). Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Name: Gadolinium Symbol: Gd Atomic Number: 64 Atomic Mass: 157.25 amu Melting Point: 1311.0 °C (1584.15 K, 2391.8 °F) Boiling Point: 3233.0 °C (3506.15 K, 5851.4 °F) Number of Protons/Electrons: 64 Number of Neutrons: 93 Classification: Rare Earth Crystal Structure: Hexagonal Density @ 293 K: 7.895 g/cm 3 Color: … Uranium has the highest atomic weight of the primordially occurring elements. The chemical symbol for Francium is Fr. Europium is one of the least abundant elements in the universe. It has a melting point of 1.313°C, a boiling point of 3.000°C and its density is 7.87 g/cm3. Osmium is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Ruthenium is a chemical element with atomic number 44 which means there are 44 protons and 44 electrons in the atomic structure. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. Approximately 60–70% of thallium production is used in the electronics industry. Carbon is one of the few elements known since antiquity. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. Boiling point of Gadolinium is 3000°C. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. At some point the amplitude of vibration becomes so large that the atoms start to invade the space of their nearest neighbors and disturb them and the melting process initiates. The chemical symbol for Europium is Eu. © 2019 periodic-table.org / see also Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. 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