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Atomic Structure of Barium and Holmium


Atomic Structure of Holmium and Barium


Atomic Properties

Atomic Number
56   
99+
67   
99+

Electron Configuration
[Xe] 6s2   
[Xe] 4f11 6s2   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Holmium.jpg#100   

Atom
  
  

Number of Protons
56   
99+
67   
99+

Number of Neutrons
81   
99+
98   
34

Number of Electrons
56   
99+
67   
99+

Radius of an Atom
  
  

Atomic Radius
222.00 pm   
4
176.00 pm   
18

Covalent Radius
215.00 pm   
5
192.00 pm   
17

Van der Waals Radius
268.00 pm   
6
216.00 pm   
24

Atomic Weight
137.33 amu   
99+
164.93 amu   
99+

Atomic Volume
39.24 cm3/mol   
5
18.70 cm3/mol   
24

Adjacent Atomic Numbers
  
  

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Cesium
  
Dysprosium
  

Next Element
Lanthanum
  
Erbium
  

Valence Electron Potential
21.30 (-eV)   
99+
47.90 (-eV)   
31

Lattice Constant
502.80 pm   
15
357.73 pm   
38

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.57   
17

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