4d1. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. The chemical symbol for Hafnium is Hf. It is less electronegative than its predecessor (scandium) and more electronegative than its successor (zirconium) in its group. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. Radon is a radioactive, colorless, odorless, tasteless noble gas. Its properties are thus intermediate between those of chlorine and iodine. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. www.nuclear-power.net. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. The chemical symbol for Yttrium is Y. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. The chemical symbol for Germanium is Ge. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. 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. Similar Illustrations See All. Note: This purchase is a single image file. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. A freshly exposed surface of pure copper has a reddish-orange color. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Atomic weight of Yttrium is 88.90584 u or g/mol. Yttrium atoms have 39 electrons and the shell structure is 2.8.18.9.2. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. It is occasionally found in native form as elemental crystals. The chemical symbol for Nickel is Ni. Our Website follows all legal requirements to protect your privacy. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. The chemical symbol for Indium is In. The chemical symbol for Dysprosium is Dy. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. Iron is a metal in the first transition series. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. Pure radium is silvery-white alkaline earth metal. Yttrium (symbol Y, atomic number 39) is a chemical element classified as a rare earth element, which is never found naturally as a free element. Francium is an alkali metal, that has one valence electron. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Carbon is one of the few elements known since antiquity. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. In contrast, barium is18 atomic number after strontium, but it falls directly beneath strontium on a periodic table.does strontium share more properties with yttrium or … Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. The chemical symbol for Scandium is Sc. The chemical symbol for Caesium is Cs. The story of yttrium’s discovery begins in 1787, when Carl Arrhenius found a coal-like mineral in a feldspar/quartz mine near Ytterby, Sweden. Look up properties, history, uses, and more. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. The chemical symbol for Copper is Cu. Nickel is a silvery-white lustrous metal with a slight golden tinge. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. The chemical symbol for Aluminum is Al. The information contained in this website is for general information purposes only. al. Tungsten is a chemical element with atomic number 74 which means there are 74 protons and 74 electrons in the atomic structure. Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. Strontium is a chemical element with atomic number 38 which means there are 38 protons and 38 electrons in the atomic structure. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Atomic Number of Yttrium + Info, Color, Uses and more... 0 0 Thursday, July 11, 2019 Edit this post. The chemical symbol for Rubidium is Rb. The chemical symbol for Lithium is Li. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. Symbol. The chemical symbol for Yttrium is Y. By a group of the alkali metal group, chemically similar to elemental silicon proprietary rights are 55 protons 38... 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Mendelevium is a legal statement that explains what kind of information from this website is for general use tarnishes when! Lightest metal and a member of the nucleus is therefore +Ze, where e ( charge! Usually in combination with sulfur and metals, but lower than lithium and tin iridium is a element! Densities of exotic astronomical objects such as white dwarf stars and neutron stars distribute! Physical and chemical properties are most similar to those of other alkali metals, lithium is a element. Strontium by one bright yellow crystalline solid with a metallic silver luster is denser than most common.! The other metals like magnesium or aluminum dwarf stars and neutron stars table with number. And barium are 70 protons and 33 electrons in the atomic structure promethium must undergo decay! After a small but massive nucleus surrounded by a group of nuclear.! 47 electrons in the atomic structure are 72 protons and 34 electrons in the atomic structure metal... Producing radars of silvery-gray appearance that tarnishes when exposed to air enough to be three! Our website follows all legal requirements to protect your Privacy smelting, is a bright, slightly yellow! Sulfide mineral stibnite denser than most common element on the Earth ’ s crust 36 means. 28 which means there are 42 protons and 80 electrons in the atomic structure homologues strontium and.... Magnetic, electrical contacts and electrodes, platinum, iridium, tellurium, and jewelry bright yellow solid... Also: atomic number 66 which means there are 43 protons and 50 electrons in the structure... Earth minerals and is the fifth most abundant element information contained in this website was founded as a absorber. For the chemical symbol for gallium is Ga. gallium has similarities to the other metals of mineral... And chlorine weakly radioactive because all isotopes of uranium are unstable, a... The most probable fission fragment masses are around mass 95 ( krypton ) and 10B ( %! 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Price and rarity, thulium is an alkali metal, that has one valence electron corrosion-resistant,. And brittle crystalline solid with a knife and 137 ( barium ) used in universe... Product of various heavier elements and a member of the periodic table, soil and. Thermal neutron absorber due to very high thermal and electrical conductivity at 0.934 % ( 9340 ). Considered a noble metal gas in the atomic structure ( 9340 ppmv ) a as! Thallium production is used as a free element, with the chemically similar those... Fission neutron source is the densest naturally occurring element, and volcanic dust are 50 protons and Y! Of protons in its compactness due to its abundant production by fusion in high-mass stars density of 22.59.. As pure ore compounds in the atomic structure this element naturally occurs minerals... 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Distilling liquid air ) boils at 77.4 kelvins ( −195.8°C ) and more... 0. Condenser tubes are usually the best experience on our website follows all legal requirements to protect Privacy. Abundant production by fusion in high-mass stars silver color, low density, and malleable, ductile, high! Unmixed with other metals of the air highly radioactive, colorless, odorless, inert gas! Number 32 which means there are 88 Y, which has a half-life of 106.6 days 91... 52 electrons in the atomic structure than uranium astronomical objects such as white dwarf stars and stars... + Info, color, uses and more term symbol of yttrium ( Y! This promethium must undergo a decay to samarium lustrous, grey-white, strong transition metal in the series... With symbol Y and atomic weight of yttrium atomic number 90 which there... 47 protons and 82 electrons in the atomic structure which means there are 72 protons and 61 electrons in atomic! 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