21
Sc
Scandium
Scandium
Scandium (Sc)
Transition Metals · Solid · Period 4 · Group 3
Element Properties
- Atomic Number
- 21
- Symbol
- Sc
- Atomic Mass
- 44.9559
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 4
- Group
- 3
- Electronegativity
- 1.36
- Atomic Radius
- 211
- Ionization Energy
- 6.56
- Electron Affinity
- 0.19
- Oxidation States
- +3
- Melting Point
- 1814 K (1540.85 °C)
- Boiling Point
- 3109 K (2835.85 °C)
- Density
- 2.99
- Electron Configuration
- [Ar]4s2 3d1
- Year Discovered
- 1879
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Frequently asked questions
What is the atomic number of Scandium?
The atomic number of Scandium is 21, which equals the number of protons in its nucleus.
What is the atomic mass of Scandium?
The atomic mass of Scandium is approximately 44.9559 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Scandium?
The electron configuration of Scandium is [Ar]4s2 3d1.
Where is Scandium in the periodic table?
Scandium is located in period 4, group 3.
When was Scandium discovered?
Scandium was discovered in 1879.
Related elements
Same group
39
Y
Yttrium
88.906
57
La
Lanthanum
138.905
58
Ce
Cerium
140.116
59
Pr
Praseodymium
140.908
60
Nd
Neodymium
144.24
61
Pm
Promethium
144.913