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Atomic Structure of Scandium and 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
  

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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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