Chlorine is a yellow-green gas at room temperature. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. The chemical symbol for Chlorine is Cl. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. 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”. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. The chemical symbol for Einsteinium is Es. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. The chemical symbol for Copper is Cu. It occurs on Earth as the decay product of various heavier elements. Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. This compound is also used in nutraceutical and pharmaceutical preparations too. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. The chemical symbol for Plutonium is Pu. It is an Alkaline Earth Metal and is located in Group 2 of the periodic table, it has the symbol Mg. Magnesium is located in the Alkaline earth metals, Group 2. Silver is a chemical element with atomic number 47 which means there are 47 protons and 47 electrons in the atomic structure. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). The chemical symbol for Bromine is Br. The chemical symbol for Cerium is Ce. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. Atomic weight of Magnesium is 24.305 u or g/mol. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Tungsten is an intrinsically brittle and hard material, making it difficult to work. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. 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. Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. 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. Vanadium is a chemical element with atomic number 23 which means there are 23 protons and 23 electrons in the atomic structure. In the periodic table, potassium is one of the alkali metals. The chemical symbol for Fluorine is F. Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. In fact their absorption cross-sections are the highest among all stable isotopes. Francium is an alkali metal, that has one valence electron. The chemical symbol for Aluminum is Al. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. The elements in the second group of the periodic table are called alkaline earth metals and they have two electrons in their outermost orbital. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Compounds of magnesium have long been known. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Malleable and ductile Mg ) is the 8th most abundant element 94 means... 6Th-Period transition metals and they have two electrons in the atomic structure, reddish! 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