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Atomic Structure of Scandium and Osmium

Scandium
Osmium
Atomic Structure of Osmium and Scandium


Atomic Properties
Atomic Number
21   
99+
76   
40
Electron Configuration
[Ar] 3d1 4s2   
[Xe] 4f14 5d6 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
21   
99+
76   
39
Number of Neutrons
24   
99+
114   
25
Number of Electrons
21   
99+
76   
39
Radius of an Atom
  
  
Atomic Radius
162.00 pm   
26
133.80 pm   
99+
Covalent Radius
170.00 pm   
25
Not Available   
Van der Waals Radius
211.00 pm   
25
216.00 pm   
24
Atomic Weight
44.96 amu   
99+
190.23 amu   
35
Atomic Volume
15.00 cm3/mol   
34
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Calcium
  
Rhenium
  
Next Element
Titanium
  
Iridium
  
Valence Electron Potential
58.00 (-eV)   
24
91.40 (-eV)   
12
Lattice Constant
330.90 pm   
99+
273.44 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   
14
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