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Atomic Structure of Scandium and Ruthenium

Scandium
Ruthenium
Atomic Structure of Ruthenium and Scandium


Atomic Properties
Atomic Number
21   
99+
44   
99+
Electron Configuration
[Ar] 3d1 4s2   
[Kr] 4d7 5s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
rystal-Structure-of-Ruthenium.jpg#100   
Atom
  
  
Number of Protons
21   
99+
44   
99+
Number of Neutrons
24   
99+
57   
99+
Number of Electrons
21   
99+
44   
99+
Radius of an Atom
  
  
Atomic Radius
162.00 pm   
26
134.00 pm   
99+
Covalent Radius
170.00 pm   
25
146.00 pm   
38
Van der Waals Radius
211.00 pm   
25
200.00 pm   
28
Atomic Weight
44.96 amu   
99+
101.07 amu   
99+
Atomic Volume
15.00 cm3/mol   
34
8.30 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Calcium
  
Technetium
  
Next Element
Titanium
  
Rhodium
  
Valence Electron Potential
58.00 (-eV)   
24
64.00 (-eV)   
22
Lattice Constant
330.90 pm   
99+
270.59 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.59   
7
1.58   
11
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