atomic number of scandium

Scandium (Sc) has an atomic number of twenty-one. Pure form of scandium is produced by heating scandium fluoride with calcium metal. Scandium. It is a soft silvery metal that has three times the density of water and can be found in the form of solid at room temperature. 3d 1. Atomic Number 21 Learn more about the atomic number. : Sc 3+ enters early-forming phases in igneous rocks. Geochemistry of Scandium; Goldschmidt classification: Lithophile: Sc 3+ was one of the ions least depleted from the mantle in the formation of the crust. In the periodic table Sc is a member of 3 rd group and 4 th period. Scandium-45 atom is the stable isotope of scandium with relative atomic mass 44.955910, 100 atom percent natural abundance and nuclear spin 7/2. The atomic number of scandium (Sc) is 21. Scandium is a silver-white hard metal which develops a slightly yellowish or pinkish cast upon exposure to air. Scandium is an element with the atomic number 21 and represented with the symbol ‘Sc‘ in the periodic table. It reacts with water and form hydrogen gas. Classified as a transition metal, Scandium is a solid at room temperature. Name Origin Scandium iodide (ScI3) is used in lamps that produce light having a color closely matching natural sunlight. Scandium is a chemical element with symbol Sc and atomic number 21. : Sc 3+ is enriched in Ca-Al-rich inclusions in meteorites relative to the composition of the solar system. The colour it develops when exposed to air is yellowish or pinkish cast. Scandium is a silvery-white metallic d-block element. Scandium burns easily and reacts with water. Sc is not found free in nature but Scandium is usually found in rare minerals from Scandinavia and Madagascar such as thortveitite, euxenite and gadolinite. Therefore electronic configuration of scandium(Sc) is: 1s2 2s2 2p6 3s2 3p6 3d1 4s2. The atomic weight of Sc is 44.95591 grams per mole. Interesting Scandium Facts: Scandium was discovered in 1879 by Lars Fredrik Nilson, who named it after Scandinavia. This member of the transition elements group is a silver-white that has been historically categorized as a rare earth element. One of the characteristics of Scandium is it gets tarnished and burned easily if ignited. Atomic Mass 44,95591 Learn more about the atomic mass. 4s 2: Oxidation states: Sc 3+ Physical appearance: Description Fairly soft, silvery-white metal. What is Scandium? Its atomic number is 21 and indicated by the symbol Sc. Scandium has an atomic no. Eighth most abundant 'rare earth' found in the earth's crust (5.0 ppm). Atomic number: 21: Atomic mass: 44.955910: Common isotopes: 45 Sc – 100% Other isotopes exist, see Isotopes of Scandium: Ground state electronic configuration: [Ar]. Scandium is a chemical element that has the symbol Sc and the atomic number 21. : Sc 3+ is commonly concentrated in residual soils and sediments. 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