Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. The chemical symbol for Aluminum is Al. The chemical symbol for Beryllium is Be. Iodine A r (I) = 126.904 47(3) since 1985 The name derives from the Greek iodes for "violet" because of its violet vapours. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. Bismuth is a chemical element with atomic number 83 which means there are 83 protons and 83 electrons in the atomic structure. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. The chemical symbol for Rhenium is Re. Mass Numbers - Atomic WeightIt is necessary to establish the atomic weight to enable you to establish the Mass Number. Nickel belongs to the transition metals and is hard and ductile. The unique chart below has been created by www.elementalmatter.info and details all of the elements in the Periodic table, the numbers of protons, the numbers of neutrons and the mass numbers of atoms which relate to the elements. The chemical symbol for Lutetium is Lu. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. . Lead is a heavy metal that is denser than most common materials. A sample of an alkali metal contains 2.984 x 1022... A student has a sample of isopropanol (C3H7OH)... An aspirin tablet contains 325.0 mg of aspirin,... How many grams of Na2SO4 are produced from 10.0... What is the gram formula mass of K2CO3? The atomic radius of Iodine atom is 139pm (covalent radius). Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. Its properties were found to be similar to the predicted ones and confirmed Mendeleev's periodic table. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Discoverer: Ramsey, Sir William and Cleve, Per Teodor. Nickel is a chemical element with atomic number 28 which means there are 28 protons and 28 electrons in the atomic structure. Gold is a chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic structure. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. Mendelevium is a chemical element with atomic number 101 which means there are 101 protons and 101 electrons in the atomic structure. Subtracting the Atomic number from the Mass Number equals the number of neutrons in the nucleus. Selenium is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Caesium has physical and chemical properties similar to those of rubidium and potassium. 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.
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