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Atomic Structure of Francium and Scandium

Francium
Scandium
Atomic Structure of Scandium and Francium


Atomic Properties
Atomic Number
87   
31
21   
99+
Electron Configuration
[Rn] 7s1   
[Ar] 3d1 4s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   
Atom
  
  
Number of Protons
87   
31
21   
99+
Number of Neutrons
136   
17
24   
99+
Number of Electrons
87   
31
21   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
162.00 pm   
26
Covalent Radius
260.00 pm   
1
170.00 pm   
25
Van der Waals Radius
348.00 pm   
1
211.00 pm   
25
Atomic Weight
223.00 amu   
27
44.96 amu   
99+
Atomic Volume
Not Available   
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Polonium
  
Calcium
  
Next Element
Radium
  
Titanium
  
Valence Electron Potential
8.00 (-eV)   
99+
58.00 (-eV)   
24
Lattice Constant
Not Available   
330.90 pm   
99+
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
7
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