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One atomic mass unit is equal to 1.66 x 10-24 grams. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. It is the fourth most common element in the Earth’s crust. We use the most common isotopes. These relative weights computed from the chemical equation are sometimes called equation weights. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. 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. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. 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. Titanium tetrachloride is used to iridize glass. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). The bulk properties of astatine are not known with any certainty. It is paramagnetic and has fairly low electrical and thermal conductivity compared to other metals. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. The chemical symbol for Rhodium is Rh. The chemical symbol for Nitrogen is N. Nitrogen is a colourless, odourless unreactive gas that forms about 78% of the earth’s atmosphere. Actinium is a soft, silvery-white radioactive metal. Calculate the number of protons, neutrons and electrons it contains. 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. The chemical symbol for Caesium is Cs. Titanium is a chemical element with symbol Ti and atomic number 22. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. Pure germanium is a semiconductor with an appearance similar to elemental silicon. is a rare earth element with a metallic silver luster. The chemical symbol for Silicon is Si. Titanium has a melting point of 1660 +/- 10°C, boiling point of 3287°C, specific gravity of 4.54, with a valence of 2, 3, or 4. Titanium is important for alloying with aluminum, molybdenum, iron, manganese, and other metals. H, N, O, C). Titanium was discovered in a black sand known as ilmenite. Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. Thorium is moderately hard, malleable, and has a high melting point. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salts. The chemical symbol for Thallium is Tl. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. The chemical symbol for Holmium is Ho. The chemical symbol for Cerium is Ce. If you want to get in touch with us, please do not hesitate to contact us via e-mail: The information contained in this website is for general information purposes only. Ranking ninth on the list of most abundant metals on earth. Tellurium is chemically related to selenium and sulfur. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. The chemical symbol for Palladium is Pd. Titanium is used in fireworks. The standard SI unit is kilograms per cubic meter (kg/m3). Although classified as a rare earth element, samarium is the 40th most abundant element in the Earth’s crust and is more common than such metals as tin. Our Website follows all legal requirements to protect your privacy. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. It occurs on Earth as the decay product of various heavier elements. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. Thulium is an easily workable metal with a bright silvery-gray luster. The chemical symbol for Germanium is Ge. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. The chemical symbol for Fermium is Fm. The chemical symbol for Titanium is Ti. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. The relatively high melting point (more than 1,650 °C or 3,000 °F) makes it useful as a refractory metal. The chemical symbol for Antimony is Sb. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. The chemical symbol for Gadolinium is Gd. Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. Titanium is a lustrous transition metal with a silver color, low density, and high strength.    Noble Gases Pure titanium is a lustrous white metal with low density, high strength, and high corrosion resistance. Germanium is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Technetium is the lightest element whose isotopes are all radioactive; none are stable. Pure titanium is a lustrous white metal with low density, high strength, and high corrosion resistance. It is a soft, silvery-white alkali metal. The chemical symbol for Aluminum is Al. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure.    Melting Point The chemical symbol for Zirconium is Zr.

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