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With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Mass numbers of typical isotopes of Lead are 204-208.
Please visit the Lead element page for information specific to the chemical element of the periodic table. It is the heaviest essential mineral nutrient.Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts.
Our Website follows all legal requirements to protect your privacy. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. Tungsten is an intrinsically brittle and hard material, making it difficult to work.Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table.Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium).
Like the other metals of the platinum group, ruthenium is inert to most other chemicals.Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. It is fairly soft and slowly tarnishes in air. Neptunium is the first transuranic element.Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized.Americium is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas.Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide.Berkelium is a member of the actinide and transuranium element series.Californium is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all the elements that have been produced in amounts large enough to see with the unaided eye (after einsteinium).
Lead is soft and malleable, and has a relatively low melting point.
Tellurium is chemically related to selenium and sulfur.
Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. In fact their absorption cross-sections are the highest among all stable isotopes.Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. The similarity of ionization energies is caused by the lanthanide contraction Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air.Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically.Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”.Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite.Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element.
In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor.Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 °C, which makes it one of only five elemental metals that are liquid at or near room temperature.
As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine.Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.Sodium is a soft, silvery-white, highly reactive metal.
It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium.Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides.Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Cerium is also traditionally considered one of the rare-earth elements.Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties.
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