common oxidation no. Name: Ytterbium Symbol: Yb Atomic Number: 70 Atomic Mass: 173.04 amu Melting Point: 824.0 °C (1097.15 K, 1515.2 °F) Boiling Point: 1466.0 °C (1739.15 K, 2670.8 °F) Number of Protons/Electrons: 70 Number of Neutrons: 103 Classification: Rare Earth Crystal Structure: Cubic Density @ 293 K: 6.98 g/cm 3 Color: Silvery Atomic Structure Classified as a lanthanide, Ytterbium is a solid at room temperature. Ytterbium is found in monazite sand as well as the ores euxenite and xenotime. The chemical symbol for Ytterbium is Yb . The information contained in this website is for general information purposes only. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. 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 Manganese is Mn. It is commercially recovered principally from monazite sand, which contains about 0.03%. Neodymium is a soft silvery metal that tarnishes in air. The chemical symbol for Ytterbium is Yb. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. Berkelium is a member of the actinide and transuranium element series. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. See also: Atomic Number – Does it conserve in a nuclear reaction? Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Atomic mass of Ytterbium is 173.04 u. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. It is a white silvery, soft, ductile and rare earth metal. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. The bulk properties of astatine are not known with any certainty. Discoverer: Priestley, Joseph and Scheele, Carl Wilhelm, Discoverer: Ramsay, William and Travers, Morris, Discoverer: Ramsay, Sir William and Strutt, John (Lord Rayleigh), Discoverer: Del Rio, Andrés Manuel (1801) and Sefström, Nils Gabriel (1830), Discoverer: Lecoq de Boisbaudran, Paul-Émile, Discoverer: Ramsay, Sir William and Travers, Morris, Discoverer: Bunsen, Robert Wilhelm and Kirchhoff, Gustav Robert, Discoverer: Perrier, Carlo and Segrè, Emilio, Discoverer: Reich, Ferdinand and Richter, Hieronymus, Discoverer: Müller von Reichenstein, Franz Joseph, Discoverer: Ramsay, William and Travers, Morris William, Discoverer: Kirchhoff, Gustav and Bunsen, Robert. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan José and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. 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. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. 27 radioisotopes have been characterized, with the most stable being Yb-169 with a half-life of 32.026 days, Yb-175 with a half-life of 4.185 days, and Yb-166 with a half life of 56.7 hours. It is part of a group of chemical elements in the periodic table named the Lanthanides. It is the Pauli exclusion principle that requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. Group Number: 3. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. 6s2 and the term symbol of ytterbium is 1S0. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Francium is a highly radioactive metal that decays into astatine, radium, and radon. Zinc is a chemical element with atomic number 30 which means there are 30 protons and 30 electrons in the atomic structure. 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. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. 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