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Scandium

Scandium is a chemical element; it has symbol Sc and atomic number 21. It is a silvery-white metallic element found in the d-block of the periodic table. Usually, it is classified as a rare-earth element, together with yttrium and the lanthanides. It was discovered in 1879 by spectral analysis of the minerals euxenite and gadolinite from Scandinavia.

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43Sc
synth
44m3Sc
synth
44Sc
synth
45Sc
100%
46Sc
synth
47Sc
synth

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Overview

Properties

Production

Compounds

History

Applications

Health and safety

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Map overview Semantic statistics

Scandium

Nodes126
Edges125
Triples175
Avg. degree1.98
Density0.015873
Components1

How this topic connects Entity context

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Scandium

Top relations

related to Production · 18
Scandium → Bayan Obo, China, Elk Creek, In, Kola Peninsula, Nebraska, Nickel Asia Corporation, NioCorp Development, Philippines, Russia, Sc2O3, Since, Sumitomo Metal Mining, The, To, Ukraine, United States, Zhovti Vody
related to history · 15
Scandium → Aluminium-scandium, Dmitri Mendeleev, He, Lars Fredrik Nilson, Latin Scandia, Mendeleev, Mendeleev's, Metallic, Nilson, Per Teodor Cleve, Production, Scandinavia, The, US, USSR
related to Light sources · 14
Scandium → About, Approximately, Cr, Dentists, Er, General Electric, North America, One, Sc2O3, The, This, TV, United States, YSGG
related to Halides and pseudohalides · 12
Scandium → Br, Cl, III, In, La3, Lewis, Sc, ScF3, ScF63, ScX3, The, Y3
related to Occurrence · 12
Scandium → Also, Earth, Estimates, Example, However, In Earth's, Madagascar, Rare, Scandinavia, Sun, The, Thortveitite
related to Aluminium alloys · 10
Scandium → Al3Sc, L12, MiG-29, Mikoyan-Gurevich MiG-21, Russian, The, The Al3Sc, These, They, This
related to Uncommon oxidation states · 8
Scandium → As, Compounds, CsScCl3, II, Lower, Sc, The, This
related to External links · 6
Scandium → Encyclopædia Britannica, Nottingham, The Periodic Table, University, Videos, WebElements
Ionization energies · 4
Scandium → (more), 1st: 633.1 kJ/mol, 2nd: 1235.0 kJ/mol, 3rd: 2388.6 kJ/mol
related to Compounds · 4
Scandium → In, M3, Sc3, The

Important terminology Word statistics

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Important terminology

aluminium alloys oxide element compounds sc titanium used stable applications per minerals yttrium isotopes states oxidation high isotope chemical metallic

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Scandium43Scsynth1.00infobox
Scandium44m3Scsynth1.00infobox
Scandium44Scsynth1.00infobox
Scandium45Sc100%1.00infobox
Scandium46Scsynth1.00infobox
Scandium47Scsynth1.00infobox
Scandium48Scsynth1.00infobox
ScandiumAppearancesilvery white1.00infobox
Scandiumat T (K)16451.00infobox
ScandiumAtomic number (Z)211.00infobox
ScandiumAtomic radiusempirical: 162 pm1.00infobox
ScandiumBlockd-block1.00infobox
ScandiumBoiling point3109 K ​(2836 °C, ​5136 °F)1.00infobox
ScandiumBrinell hardness736–1200 MPa1.00infobox
ScandiumBulk modulus56.6 GPa1.00infobox
ScandiumCAS Number7440-20-21.00infobox
ScandiumCovalent radius170±7 pm1.00infobox
ScandiumCrystal structure​hexagonal close-packed (hcp) (hP2)1.00infobox
ScandiumDensity (at 20° C)2.989 g/cm31.00infobox
ScandiumDiscoveryLars Fredrik Nilson (1879)1.00infobox
ScandiumElectrical resistivityα, poly: 562 nΩ⋅m (at r.t., calculated)1.00infobox
ScandiumElectron configuration[Ar] 3d1 4s21.00infobox
ScandiumElectronegativityPauling scale: 1.361.00infobox
ScandiumElectrons per shell2, 8, 9, 21.00infobox
ScandiumFirst isolationW. Fischer, K. Brünger, H. Grieneisen (1937)1.00infobox
ScandiumGroupgroup 31.00infobox
ScandiumHeat of fusion14.1 kJ/mol1.00infobox
ScandiumHeat of vaporization332.7 kJ/mol1.00infobox
ScandiumIonization energies1st: 633.1 kJ/mol1.00infobox
ScandiumIonization energies2nd: 1235.0 kJ/mol1.00infobox

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