Chemical Elements.com - Scandium (Sc)

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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

Number of Energy Levels: 4

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Isotopes

Isotope	Half Life
Sc-44	3.92 hours
Sc-45	Stable
Sc-46	83.81 days
Sc-46m	18.72 seconds
Sc-47	3.34 days
Sc-48	43.67 hours
Sc-49	57.3 minutes

Facts

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

MLA Format for Citing This Page

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