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Scandium at Chemical Elements.com
Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page

Basic Information

Name: Scandium
Symbol: Sc
Atomic Number: 21
Atomic Mass: 44.95591 amu
Melting Point: 1539.0 °C (1812.15 K, 2802.2 °F)
Boiling Point: 2832.0 °C (3105.15 K, 5129.6 °F)
Number of Protons/Electrons: 21
Number of Neutrons: 24
Classification: Transition Metal
Crystal Structure: Hexagonal
Density @ 293 K: 2.989 g/cm3
Color: silvery

Atomic Structure

[Bohr Model of Scandium]  
Number of Energy Levels: 4

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 9
    Fourth Energy Level: 2


Isotope Half Life
Sc-443.92 hours
Sc-4683.81 days
Sc-46m18.72 seconds
Sc-473.34 days
Sc-4843.67 hours
Sc-4957.3 minutes


Date of Discovery: 1879
Discoverer: Lars Nilson
Name Origin: From Scandinavia
Uses: No uses known
Obtained From: minerals (thortveitile, wiikite)

Related Links

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MLA Format for Citing This Page

Bentor, Yinon. Chemical Element.com - Scandium. <http://www.chemicalelements.com/elements/sc.html>.

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