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Atomic Structure of Beryllium and Scandium

Beryllium
Scandium
Atomic Structure of Scandium and Beryllium


Atomic Properties
Atomic Number
4   
99+
21   
99+
Electron Configuration
[He] 2s2   
[Ar] 3d1 4s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
21   
99+
Number of Neutrons
5   
99+
24   
99+
Number of Electrons
4   
99+
21   
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
162.00 pm   
26
Covalent Radius
96.00 pm   
99+
170.00 pm   
25
Van der Waals Radius
153.00 pm   
99+
211.00 pm   
25
Atomic Weight
9.01 amu   
99+
44.96 amu   
99+
Atomic Volume
5.00 cm3/mol   
99+
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Lithium
  
Calcium
  
Next Element
Sodium
  
Titanium
  
Valence Electron Potential
82.00 (-eV)   
15
58.00 (-eV)   
24
Lattice Constant
228.58 pm   
99+
330.90 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
18
1.59   
7
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