Our Website follows all legal requirements to protect your privacy. The information contained in this website is for general information purposes only. Data for this section been provided by the British Geological Survey. It is now mainly used in the chemical industry as catalysts. Pornographic, defamatory, libellous, scandalous, fraudulent, immoral, infringing or otherwise unlawful use of the Images is, of course, prohibited. On one hand, it saddens me to think that mercury will eventually be an elemental artefact sitting hopelessly between gold and thallium in the periodic table, but on the other, it constantly reminds me of the dangers that hide behind the façade of its beautiful silver lustre. Members of a group typically have similar properties and electron configurations in their outer shell. A percentile rank for the political stability of the country with the largest reserves, derived from World Bank governance indicators. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game! Again, these uses have been phased out. This is calculated by combining the scores for crustal abundance, reserve distribution, production concentration, substitutability, recycling rate and political stability scores. It’s Elemental - The Periodic Table of Elements. Discoverer: Corson, Dale R. and Mackenzie, K. R. The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium. Substances in which electricity can flow are called conductors. Covalent radiusHalf of the distance between two atoms within a single covalent bond. 1) You may use almost everything for non-commercial and educational use. The transition of a substance directly from the solid to the gas phase without passing through a liquid phase. The mass of an atom relative to that of carbon-12. Mercury is a chemical element with the symbol Hg and atomic number 80. In metals, and in many other solids, the atoms are arranged in regular arrays called crystals. In the Americas, it was the Spanish conquerors who exploited the large deposits of cinnabar at Huancavelica in order to extract gold. Mercury atoms have 80 electrons and 80 protons with 122 neutrons in the most abundant isotope. and Gay-Lussac, L.-J. Hello! If you wish to use the Images in a manner not permitted by these terms and conditions please contact the Publishing Services Department by email. A crystal lattice is a repeating pattern of mathematical points that extends throughout space. Chemistry in its element is brought to you by the Royal Society of Chemistry and produced by. It is given by the ratio of the shear stress to the shear strain. Discoverer: Davy, Sir H. and Thénard, L.-J. Half of the distance between two unbonded atoms of the same element when the electrostatic forces are balanced. Values are given for typical oxidation number and coordination. Electronegativity (Pauling scale)The tendency of an atom to attract electrons towards itself, expressed on a relative scale. Insulators, on the other hand, are made of a wide variety of materials depending on factors such as the desired resistance. Images © Murray Robertson 1999-2011 Could a man walk across a swimming pool filled with mercury? These values were determined using several different methods. In such cases we would ask you to sign a Visual Elements licence agreement, tailored to the specific use you propose. Block Half of the distance between two atoms within a single covalent bond. The temperature at which the solid–liquid phase change occurs.