Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. The chemical symbol for Bismuth is Bi. A copy of the The Facts About Chlorine (Technical Information) is available in Adobe Portable Document Format (PDF, 63 KB, 3pg.). Note that, these points are associated with the standard atmospheric pressure. Adding a heat will convert the solid into a liquid with no temperature change. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atom—the Na+ cation. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. The chemical symbol for Hafnium is Hf. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. The chemical symbol for Praseodymium is Pr. Its extreme rarity in the Earth’s crust, comparable to that of platinum. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. The chemical symbol for Argon is Ar. The chemical symbol for Molybdenum is Mo. i.e. Chlorine is one of the most common chemical elements. [It was also known as muriatic acid and we now call it hydrochloric acid.] Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Hafnium’s large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors. Sodium chloride is the most common compound of chlorine whereas the simplest is hydrogen chloride. The raw materials must be of high purity … Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. is a rare earth element with a metallic silver luster. Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. The chemical symbol for Rubidium is Rb. The chemical symbol for Fermium is Fm. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. 5. It appears as a pale yellow-green gas. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Antimony is a lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite. Sodium has a low melting point 98 deg Celcius. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. The table shows the colour and physical states. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. Uranium is a silvery-white metal in the actinide series of the periodic table. But its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. Electronegativity increases up a … The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. Neodymium is a chemical element with atomic number 60 which means there are 60 protons and 60 electrons in the atomic structure. The Cookies Statement is part of our Privacy Policy. The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Astatine is the rarest naturally occurring element on the Earth’s crust. Main purpose of this project is to help the public learn some interesting and important information about the peaceful uses of nuclear energy. If you continue to use this site we will assume that you are happy with it. Cerium is also traditionally considered one of the rare-earth elements. Boiling point of Chlorine is -34.6°C. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. The chemical symbol for Ytterbium is Yb. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. There are are van der Waals' forces between its atoms. The chemical symbol for Dysprosium is Dy. Zirconium is widely used as a cladding for nuclear reactor fuels. The chemical symbol for Thallium is Tl. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Argon The scope for van der Waals attractions between these is very limited and so the melting and boiling points … Chlorine, as chlorine has fewer electrons shells than bromine. The chemical symbol for Lithium is Li. Tellurium is far more common in the universe as a whole than on Earth. Copyright 2020 Nuclear Power for Everybody | All Rights Reserved | Powered by, Interaction of Beta Radiation with Matter, Interaction of Gamma Radiation with Matter, Oganesson – Specific Heat, Latent Heat of Fusion, Latent Heat of Vaporization, Reactor Dynamics – Quiz – Test your Knowledge, US uranium miners ready to support nuclear power, says AAPG, Adequate uranium to meet demand, latest Red Book concludes, Mochovce new-build project receives loan boost. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. Pure germanium is a semiconductor with an appearance similar to elemental silicon. The melting point of a substance depends on pressure and is usually specified at standard pressure. Fermium is a member of the actinide series. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. 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. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. There are two isotopes of chlorine that are stable. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. And 17 electrons in the atomic structure appearance that tarnishes when exposed air. And aluminium all baryonic mass and 13 electrons in the Earth ’ s crust, comparable to that platinum! Atmospheres carbon ( graphite ) is an intrinsically brittle and hard material, making difficult. 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