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Atomic Structure of Scandium and Europium

Scandium
Europium
Atomic Structure of Europium and Scandium


Atomic Properties
Atomic Number
21   
99+
63   
99+
Electron Configuration
[Ar] 3d1 4s2   
[Xe] 4f7 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
21   
99+
63   
99+
Number of Neutrons
24   
99+
89   
38
Number of Electrons
21   
99+
63   
99+
Radius of an Atom
  
  
Atomic Radius
162.00 pm   
26
180.00 pm   
14
Covalent Radius
170.00 pm   
25
198.00 pm   
13
Van der Waals Radius
211.00 pm   
25
233.00 pm   
18
Atomic Weight
44.96 amu   
99+
151.96 amu   
99+
Atomic Volume
15.00 cm3/mol   
34
28.90 cm3/mol   
8
Adjacent Atomic Numbers
  
  
Previous Element
Calcium
  
Samarium
  
Next Element
Titanium
  
Gadolinium
  
Valence Electron Potential
58.00 (-eV)   
24
45.60 (-eV)   
35
Lattice Constant
330.90 pm   
99+
458.10 pm   
17
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
7
Not Available   
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