3D Mol Similar

YTTRIUM

: Iupac Name：yttrium; CAS No.: 7440-65-5; Molecular Weight：88.90; Modify Date.: 2022-11-08 18:24; Introduction: The element was discovered in 1794 by the Swedish chemist Gadolin. He named it after the small town Ytterby in Sweden where the mineral containing yttria was found. Mosander in 1843 determined that the yttria consisted of three oxides: yttria, erbia, and terbia. Yttrium occurs in all rare earths. It is recovered commercially from monazite sand, which contains about 3% yttrium. It also is found in bastnasite in smaller amounts of about 0.2%. Abundance of yttrium in earth’s crust is estimated to be 33 mg/kg. The metal has been detected in moon rocks.Yttrium alloys have many applications. The metal doped with rare earths such as europium is used as phosphor for color television receivers. When added to iron, chromium, vanadium, niobium, and other metals it enhances resistance of these metals and their alloys to high temperature oxidation and recrystallization. It is a deoxidizer for vanadium and other nonferrous metals. Yttrium-aluminum garnets are used in lasers and in jewelery gemstones. Yttrium-iron garnets are used as transmitters and as transducers of acoustic energy. View more+

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1. Names and Identifiers

: 1.1 Name; YTTRIUM; 1.2 Synonyms; EINECS 231-174-8 MFCD00011468 Yitrium Ytterium Foil Yttrium chips Yttrium foil Yttrium ingot YTTRIUM METAL Yttrium,chip Yttrium-89 YttriumchipsampouledunderArgon YttriumchipsNREO YttriumfoilNREOmmthickcagxmm; View all

1.3 CAS No.: 7440-65-5

1.4 CID: 23993

1.5 EINECS(EC#): 231-174-8

1.6 Inchi: InChI=1S/Y

1.7 InChIkey: VWQVUPCCIRVNHF-UHFFFAOYSA-N

1.8 Canonical Smiles: [Y]

1.9 Isomers Smiles: [Y]

2. Properties

2.1 Density: 4.469 g/mL at 25 °C(lit.)

2.1 Melting point: 1522℃

2.1 Boiling point: 3380℃

2.1 Flash Point: 470℃

2.1 Precise Quality: 88.90580

2.1 PSA: 0.00000

2.1 logP: 0.00000

2.1 Appearance: clear, colorless liquid

2.2 Storage: Ambient temperatures.

2.3 Chemical Properties: Dark-gray metal. Soluble in dilute acids and potassiumhydroxide solution; decomposeswater. Known onlyin the tripositive state. Low neutron capture crosssection.

2.4 Color/Form: Gray

2.5 Odor: Odorless

2.6 Water Solubility: Soluble in hot H2O (NIOSH, 2016)

2.7 Stability: Stable.

2.8 StorageTemp: Flammables area

3. Use and Manufacturing

3.1 Potential Exposure: Yttrium is used in iron and otheralloys, in incandescent gas mantles, and as a deoxidizer formetals. Yttrium metal has a low cross section for neutroncapture and is very stable at high temperatures. Further, itis very inert toward liquid uranium and many liquid uraniumalloys. Thus, it may well have applications in nuclearpower generation. The metal is usually prepared by reductionof the halide with an active metal, such as calcium. Toidentify and analyze this element, X-ray fluorescence spectroscopyis commonly employed.

3.2 Shipping: UN3089 Metal powders, flammable, n.o.s.,Hazard Class: 4.1; Labels: 4.1-Flammable solid. UN3178Flammable solids, inorganic, n.o.s., Hazard Class: 4.1;Labels: 4.1-Flammable solid.

3.3 Usage: Yttrium has the highest thermo-dynamic affinity for oxygen of any element, this characteristic is the basis for many of its applications. While not part of the rare earth series, it resembles the heavy rare earths which are sometimes referred to as the Yttrics for this reason. Another unique characteristic derives from its ability to form crystals with useful properties. Some of the many applications of Yttrium include in ceramics for crucibles for molten reactive metals, in florescent lighting phosphors, computer displays and automotive fuel consumption sensors. Yttria stabilized Zirconium Oxide are used in high temperature applications, such as in thermal plasma sprays to protect aerospace high temperature surfaces.Yttrium is also used for producing a variety of synthetic garnets with different applications such as microwave filters, acoustic energy transmitters and transducers. Yttrium can be used to produce powerful pulsed lasers and superconductors. In biomedical field, yttrium is used in cancer treatment drugs, rheumatoid arthritis medicines and surgical supplies.Yttrium Metal is widely applied in making speciality alloys, it increase the strengths of alloys of metals such as Chromium, Aluminium, and Magnesium. Yttrium is one of the elements used to make the red color in CRT televisions. As a metal, it is used on the electrodes of some high-performance spark plugs. Yttrium is also used in the manufacturing of gas mantles for propane lanterns as a replacement for Thorium. It is also used to increase the strength of Aluminium and Magnesium alloys. The addition of Yttrium to alloys generally improves workability, adds resistance to high-temperature recrystallization and significantly enhances resistance to high-temperature oxidation. Yttrium Metal can be further processed to various shapes of ingots, pieces, wires, foils, slabs, rods, discs and powder.; View all

3.4 Waste Disposal: Recovery is indicated whereverpossible. Specifically, processes are available foryttrium oxysulfide recovery from color television tubemanufacture. YTTRIUM Preparation Products And Raw materials Preparation Products

4. Safety and Handling

4.1 Symbol: GHS02, GHS07

4.1 Hazard Codes: C; Xi; Xn; F

4.1 Signal Word: Danger

4.1 Risk Statements: R34

4.1 Safety Statements: S24/25

4.1 Packing Group: III

4.1 Hazard Class: 8

4.1 Hazard Declaration: H228-H250-H302 + H312 + H332

4.1 RIDADR: UN 3264 8

4.1 Safety Profile: It may have ananticoagulant effect on the blood.Flammable in the form of dust when reactedwith air, halogens.

4.2 Caution Statement: P210-P222-P231-P280-P422

4.2 Incompatibilities: Flammable in the form of dust; mayform explosive mixture with air. A strong reducing agent;reacts violently with oxidizers (chlorates, nitrates, peroxides,permanganates, perchlorates, chlorine, bromine, fluorine,etc.); contact may cause fires or explosions. Keepaway from alkaline materials, strong bases, strong acids,oxoacids, epoxides, halogens. Yttrium nitrate is a combustiblematerial.

4.3 WGK Germany: 3

4.3 RTECS: ZG2980000

4.3 Report: Reported in EPA TSCA Inventory.

4.4 Specification

The Yttrium, with the cas registry number 7440-65-5, is a kind of soft silvery-white metal in bulk. This chemical is stable chemically and could react with strong oxidizing agents, strong acids, strong bases, and halogens. As to its usage, it can be used in particular as a solid electrolyte and as an oxygen sensor in automobile exhaust systems.

Its product categories are including Inorganics; Metal and Ceramic Science; Metals; Yttrium; Catalysis and Inorganic Chemistry; Chemical Synthesis; YttriumMetal and Ceramic Science; Single SolutionAnalytical Standards; AA Standard SolutionsSpectroscopy; AAS; Alphabetic; Matrix Selection; NitrateSpectroscopy; Reference/Calibration Standards; Standard Solutions; Y.

The characteristics of this chemical are as below: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 88.905848; (6)MonoIsotopic Mass: 88.905848; (7)Heavy Atom Count: 1; (8)Covalently-Bonded Unit Count: 1.

When you are dealing with this chemical, you should be very cautious. For one thing, it is irritant to eyes and skin and may cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health. If by inhalation, in contact with skin and if swallowed, it will be very harmful. In addition, it is corrosive which may destroy living tissue on contact. Beside all these, it is highly flammable which may catch fire in contact with air, only needing brief contact with an ignition source, and it has a very low flash point or evolve highly flammable gases in contact with water.

Therefore, you should take the following instructions to protect yourself. Wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice and if in case of accident or if you feel unwell seek medical advice immediately (show the label where possible). Then take off immediately all contaminated clothing. When storing it, take precautionary measures against static discharges and keep away from sources of ignition - No smoking.

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [Y]
(2)InChI: InChI=1S/Y
(3)InChIKey: VWQVUPCCIRVNHF-UHFFFAOYSA-N

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5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s)	No symbol.
Signal word	No signal word.
Hazard statement(s)	none
Precautionary statement(s)
Prevention	none
Response	none
Storage	none
Disposal	none

2.3 Other hazards which do not result in classification

none

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6. Other Information

6.0 Merck: 13,10161

6.1 Description: The element was discovered in 1794 by the Swedish chemist Gadolin. He named it after the small town Ytterby in Sweden where the mineral containing yttria was found. Mosander in 1843 determined that the yttria consisted of three oxides: yttria, erbia, and terbia. Yttrium occurs in all rare earths. It is recovered commercially from monazite sand, which contains about 3% yttrium. It also is found in bastnasite in smaller amounts of about 0.2%. Abundance of yttrium in earth’s crust is estimated to be 33 mg/kg. The metal has been detected in moon rocks.
Yttrium alloys have many applications. The metal doped with rare earths such as europium is used as phosphor for color television receivers. When added to iron, chromium, vanadium, niobium, and other metals it enhances resistance of these metals and their alloys to high temperature oxidation and recrystallization. It is a deoxidizer for vanadium and other nonferrous metals. Yttrium-aluminum garnets are used in lasers and in jewelery gemstones. Yttrium-iron garnets are used as transmitters and as transducers of acoustic energy.; View all

6.2 Uses: Yttrium has the highest thermo-dynamic affinity for oxygen of any element, this characteristic is the basis for many of its applications. While not part of the rare earth series, it resembles the heavy rare earths which are sometimes referred to as the Yttrics for this reason. Another unique characteristic derives from its ability to form crystals with useful properties. Some of the many applications of Yttrium include in ceramics for crucibles for molten reactive metals, in florescent lighting phosphors, computer displays and automotive fuel consumption sensors. Yttria stabilized Zirconium Oxide are used in high temperature applications, such as in thermal plasma sprays to protect aerospace high temperature surfaces.
Yttrium is also used for producing a variety of synthetic garnets with different applications such as microwave filters, acoustic energy transmitters and transducers. Yttrium can be used to produce powerful pulsed lasers and superconductors. In biomedical field, yttrium is used in cancer treatment drugs, rheumatoid arthritis medicines and surgical supplies.
Yttrium Metal is widely applied in making speciality alloys, it increase the strengths of alloys of metals such as Chromium, Aluminium, and Magnesium. Yttrium is one of the elements used to make the red color in CRT televisions. As a metal, it is used on the electrodes of some high-performance spark plugs. Yttrium is also used in the manufacturing of gas mantles for propane lanterns as a replacement for Thorium. It is also used to increase the strength of Aluminium and Magnesium alloys. The addition of Yttrium to alloys generally improves workability, adds resistance to high-temperature recrystallization and significantly enhances resistance to high-temperature oxidation. Yttrium Metal can be further processed to various shapes of ingots, pieces, wires, foils, slabs, rods, discs and powder.; View all

6.3 Preparation: Yttrium is recovered commercially from its two principal sources, xenotime and monazite. Ore is opened by digestion with hot sulfuric acid. Insoluble residues are filtered out and leachate solution containing yttrium and other rare-earths is loaded onto cation exchange resin beds for separation. Fractions are eluted with ethylenediamine tetraacetic acid (EDTA) buffered with ammonia at varying temperatures. Also, many other chelates are highly effective in eluting rare earths. Such temperature adjustments of resin beds enhance separation efficiency, particularly for separating yttrium. Separated rate earths including yttrium are converted into insoluble oxalates that precipitate when treated with oxalic acid or sodium oxalate.
Yttrium oxalate is then ignited to its oxide, Y2O3. The oxide is heated at 750°C in a stream of anhydrous hydrogen fluoride to yield yttrium fluoride, YF3. Alternatively, the oxide is mixed with ammonium hydrogen fluoride NH4HF2 and heated at 400°C in a stream of dry air or helium. Yttrium metal may be produced from its fluoride either by metallothermic reduction or electrolysis. The more common metallothermic reduction involves reducing the fluoride with redistilled calcium in 10% excess over the stoichiometric amounts at elevated temperatures:
2YF3 + 3Ca → 2Y + 3CaF2
In the electrolytic process, a fused bath of yttrium fluoride and lithium fluoride is heated to nearly 1,700°C and electrolyzed. The electrolysis is done in a graphite crucible using molybdenum cathodes at which yttrium is produced as molten metal.
Yttrium is purified by distillation at high temperatures under vacuum.; View all

6.4 Chemical Properties: Dark-gray metal. Soluble in dilute acids and potassium hydroxide solution; decomposeswater. Known only in the tripositive state. Low neutron capture cross section.

6.5 Chemical Properties: Yttrium is a silvery-white to dark-gray, or black solid or gray powder. Odorless. An element in Group III-B of the Periodic Table. It is very similar to the rare earth metals.

6.6 Physical properties: Yttrium is always found with the rare-earth elements, and in some ways it resembles them.Although it is sometimes classified as a rare-earth element, it is listed in the periodic table asthe first element in the second row (period 5) of the transition metals. It is thus also classifiedas the lightest in atomic weight of all the rare-earths. (Note: Yttrium is located in the periodictable just above the element lanthanum (group 3), which begins the lanthanide rare-earthseries.Yttrium dissolves in weak acids and also dissolves in strong alkalis such as potassiumhydroxide. It will also decompose in water.Yttrium’s melting point is 1,522°C, its boiling point is 5,338°C, and its density is 4.469g/cm³.

6.7 Isotopes: There are 50 isotopes of Yttrium. Only one is stable (Y-89), and it constitutes100% of the element’s natural existence on Earth. The other isotopes range from Y-77to Y-108 and are all produced artificially in nuclear reactions. The radioactive isotopeshave half-lives ranging from 105 nanoseconds to 106.65 days.

6.8 Origin of Name: Yttrium was originally found with other elements in a mineral called gadolinite that was discovered in a mine near the Swedish the town of Ytterby.

6.9 Occurrence: Yttrium is the 27th most abundant element found on Earth, so it is not exactly correct tothink of it as “rare”—rather just difficult to find and extract from all the other similar elementsfound in its minerals.The mineral gadolinite that was discovered in a quarry near Ytterby, Sweden, was analyzedas (Ce,La,Nd,Y)2FeBe₂Si₂O₁₀. Today most yttrium is recovered from the ores of the mineralmonazite, which is a dark, sandy mixture of elements [(Ce,La,Th,Nd,Y)PO₄] and containsabout 50% rare-earths, including about 3% yttrium. The yttrium is separated from the otherrare-earths first by magnetic and flotation processes, which are followed by an iron-exchangedisplacement process. Yttrium’s ions are combined with fluorine ions that are then reduced byusing calcium metal that yields yttrium metal (3Ca + 2YF₃ → 2Y + 3CaF₂). This reductionprocess produces high-purity yttrium that can be formed into ingots, crystals, sponge, powder,and wires.; View all

6.10 Characteristics: Yttrium (₃₉Y) is often confused with another element of the lanthanide series of rareEarths—Ytterbium (₇₀Yb). Also confusing is the fact that the rare-earth elements terbiumand erbium were found in the same minerals in the same quarry in Sweden. Yttrium rankssecond in abundance of all 16 rare-earth, and Ytterbium ranks 10th. Yttrium is a dark silverygray lightweight metal that, in the form of powder or shavings, will ignite spontaneously.Therefore, it is considered a moderately active rare-earth metal.

6.11 History: Yttria, which is an earth containing yttrium, was discovered by Gadolin in 1794. Ytterby is the site of a quarry which yielded many unusually minerals containing rare earths and other elements. This small town, near Stockholm, bears the honor of giving names to erbium, terbium, and ytterbium as well as yttrium. In 1843 Mosander showed that yttria could be resolved into the oxides (or earths) of three elements. The name yttria was reserved for the most basic one; the others were named erbia and terbia. Yttrium occurs in nearly all of the rare-earth minerals. Analysis of lunar rock samples obtained during the Apollo missions show a relatively high yttrium content. It is recovered commercially from monazite sand, which contains about 3%, and from bastnasite, which contains about 0.2%. Wohler obtained the impure element in 1828 by reduction of the anhydrous chloride with potassium. The metal is now produced commercially by reduction of the fluoride with calcium metal. It can also be prepared by other techniques. Yttrium has a silver-metallic luster and is relatively stable in air. Turnings of the metal, however, ignite in air if their temperature exceeds 400°C, and finely divided yttrium is very unstable in air. Yttrium oxide is one of the most important compounds of yttrium and accounts for the largest use. It is widely used in making YVO4 europium, and Y2O3 europium phosphors to give the red color in color television tubes. Many hundreds of thousands of pounds are now used in this application. Yttrium oxide also is used to produce yttrium iron garnets, which are very effective microwave filters. Yttrium iron, aluminum, and gadolinium garnets, with formulas such as Y3Fe5O12 and Y3Al5O12, have interesting magnetic properties. Yttrium iron garnet is also exceptionally efficient as both a transmitter and transducer of acoustic energy. Yttrium aluminum garnet, with a hardness of 8.5, is also finding use as a gemstone (simulated diamond). Small amounts of yttrium (0.1 to 0.2%) can be used to reduce the grain size in chromium, molybdenum, zirconium, and titanium, and to increase strength of aluminum and magnesium alloys. Alloys with other useful properties can be obtained by using yttrium as an additive. The metal can be used as a deoxidizer for vanadium and other nonferrous metals. The metal has a low cross section for nuclear capture. Y, one of the isotopes of yttrium, exists in equilibrium with its parent Sr, a product of atomic explosions. Yttrium has been considered for use as a nodulizer for producing nodular cast iron, in which the graphite forms compact nodules instead of the usual flakes. Such iron has increased ductility. Yttrium is also finding application in laser systems and as a catalyst for ethylene polymerization. It also has potential use in ceramic and glass formulas, as the oxide has a high melting point and imparts shock resistance and low expansion characteristics to glass. Natural yttrium contains but one isotope, Y. Forty-three other unstable isotopes and isomers have been characterized. Yttrium metal of 99.9% purity is commercially available at a cost of about $5/g.; View all

6.12 Uses: Although yttrium metal by itself is not very useful, it has many unusual applicationswhen combined as an alloy or as a compound with other elements. For example, whencombined with iron, it is known as garnet (Y₃Fe₅O₁₂), which is used as a “filter” in microwave communication systems. When garnets are made with aluminum instead of iron,they form semiprecious garnet gemstones (Y₃Al₅O₁₂) that resemble diamonds. Aluminumgarnets are referred to as “YAG” solid-state lasers because they are capable of intensifyingand strengthening a single frequency of light energy that is focused through a crystal ofgarnet. This produces a very powerful narrow band of light waves of a single color (microwave frequency). YAG-type lasers have found uses in the medical industry and as a cuttingtool for metals.When combined with oxygen and europium, yttrium produces the red phosphor used asa coating in color television screens to produce the bright red color. Yttrium is also used asan alloy metal and as a high-temperature coating on iron and steel alloys. It is used as a substance to deoxidize (remove the oxygen) during the production of nonferrous metals such asvanadium. Yttrium has the ability to “capture” neutrons, making it useful in the nuclear powerindustry. It is also used in the production of several types of semiconductors.; View all

6.13 Uses: Yttrium is mixed with rare earths as phosphors for color television receivers; oxide for mantles in gas and acetylene lights; in ceramics; in superconductors.

6.14 Uses: Yttrium, plasma standard solution is used as a standard solution in analytical chemistry and atomic absorption spectroscopy. It is also used as a single-element standard solution for plasma emission spectrometry.

6.15 Definition: A silvery metallic element belonging to the second transition series. It is found in almost every lanthanoid mineral, particularly monazite. Yttrium is used in various alloys, in yttrium–aluminum garnets used in the electronics industry and as gemstones, as a catalyst, and in superconductors. A mixture of yttrium and europium oxides is widely used as the red phosphor on television screens. Symbol: Y; m.p. 1522°C; b.p. 3338°C; r.d. 4.469 (20°C); p.n. 39; r.a.m. 88.90585.

6.16 Definition: yttrium: Symbol Y. A silvery-greymetallic element belonging to group3 (formerly IIIA) of the periodic table;a.n. 39; r.a.m. 88.905; r.d. 4.469(20°C); m.p. 1522°C; b.p. 3338°C. Itoccurs in uranium ores and in lanthanoidores, from which it can beextracted by an ion exchangeprocess. The natural isotope is yttrium–89, and there are 14 known artificialisotopes. The metal is used insuperconducting alloys and in alloysfor strong permanent magnets (inboth cases, with cobalt). The oxide(Y₂O₃) is used in colour-televisionphosphors, neodymium-doped lasers,and microwave components. Chemicallyit resembles the lanthanoids,forming ionic compounds containingY3+ ions. The metal is stable in airbelow 400°C. It was discovered in1828 by Friedrich W?hler.

6.17 General Description: Soft silvery-white metal in bulk. Dark-gray to black odorless powder. Mp: 1509°C; bp 2927°C. Density: 4.47 g cm-3 at 20°C. May irritate the respiratory tract if inhaled as a powder. May irritate the digestive tract if swallowed. Vapors may cause dizziness or suffocation.

6.18 Reactivity Profile: YTTRIUM in bulk is stable in air due to the formation of oxide films. Powder or dust is light-sensitive and air-sensitive and flammable in the air and (Hazardous Chemicals Desk Reference, p. 861(1987)). Reacts with water to form gaseous hydrogen (H2). Reacts with strong oxidizing agents, strong acids, strong bases, and halogens. The products of these reactions are irritating and toxic.

6.19 Hazard: As a powder or in fine particles, yttrium is flammable and may spontaneously ignite inmoist air. Some of its compounds, particularly those used in the semiconductor and electricalindustries, are very toxic if inhaled or ingested and should only be used under proper conditions.

6.20 Health Hazard: Yttrium compounds cause pulmonary irritation in animals. No effects in humans have been reported.

6.21 Safety Profile: It may have an anticoagulant effect on the blood. Flammable in the form of dust when reacted with air, halogens.

6.22 Potential Exposure: Yttrium is used in iron and other alloys, in incandescent gas mantles, and as a deoxidizer for metals. Yttrium metal has a low cross section for neutron capture and is very stable at high temperatures. Further, it is very inert toward liquid uranium and many liquid uranium alloys. Thus, it may well have applications in nuclear power generation. The metal is usually prepared by reduction of the halide with an active metal, such as calcium. To identify and analyze this element, X-ray fluorescence spectroscopy is commonly employed.

6.23 Usage: Yttrium ingot/button is used as intermediates, chemical research, laboratory chemicals, Manufacture of substances.

6.24 Shipping: UN3089 Metal powders, flammable, n.o.s., Hazard Class: 4.1; Labels: 4.1-Flammable solid. UN3178 Flammable solids, inorganic, n.o.s., Hazard Class: 4.1; Labels: 4.1-Flammable solid.

6.25 Incompatibilities: Flammable in the form of dust; may form explosive mixture with air. A strong reducing agent; reacts violently with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, halogens. Yttrium nitrate is a combustible material.

6.26 Waste Disposal: Recovery is indicated wherever possible. Specifically, processes are available for yttrium oxysulfide recovery from color television tube manufacture.

7. Computational chemical data

Molecular Weight: 88.90g/mol
Molecular Formula: Y
Compound Is Canonicalized: True
XLogP3-AA: null
Exact Mass: 88.905838
Monoisotopic Mass: 88.905838
Complexity: 0
Rotatable Bond Count: 0
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 0
Topological Polar Surface Area: 0
Heavy Atom Count: 1
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Isotope Atom Count: 0
Covalently-Bonded Unit Count: 1
CACTVS Substructure Key Fingerprint: AAADcQAAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

8. Question & Answer

How did yttrium get its name? Dec 05 2022
Yttrium, a rare earth element, was discovered in minerals like yttrium oxide. It was named after the Swedish community of Ytterby, where the initial significant deposits of the element were found. Yt..
Yttrium — rare earth or transition metal? Jun 05 2021
The element yttrium is called a rare earth element, yet periodic tables label it as a transition metal. Why is that? Thanks

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