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Name: Scandium
Symbol: Sc
Atomic Number: 21
Atomic Mass: 44.95591 g
Number of Protons/Electrons: 21
Number of Neutrons: 24
Metal
Melting Point: 1539.0 °C
Boiling Point: 2832.0 °C
Density @ 293 K: 2.989 g/cm3
* theoretic data
| Isotope |
Demi-vie |
Sc-44
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3.92 hours |
Sc-45
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Stable |
Sc-46
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83.81 days |
Sc-46m
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18.72 sec. |
Sc-47
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3.34 days |
Sc-48
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43.67 hours |
Sc-49
|
57.3 minutes |
Date of discovery: 1879
Discoverer: Lars Nilson
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Markets and applications
Electronics:
Cathode ray tubes (CRT)
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