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Atomic Structure of Holmium and Polonium


Atomic Structure of Polonium and Holmium


Atomic Properties

Atomic Number
67   
99+
84   
32

Electron Configuration
[Xe] 4f11 6s2   
[Xe] 4f14 5d10 6s2 6p4   

Crystal Structure
Hexagonal Close Packed (HCP)   
Monoclinic (MON)   

Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   

Atom
  
  

Number of Protons
67   
99+
84   
32

Number of Neutrons
98   
34
125   
19

Number of Electrons
67   
99+
84   
32

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
168.00 pm   
23

Covalent Radius
192.00 pm   
17
140.00 pm   
99+

Van der Waals Radius
216.00 pm   
24
197.00 pm   
29

Atomic Weight
164.93 amu   
99+
209.00 amu   
28

Atomic Volume
18.70 cm3/mol   
24
22.23 cm3/mol   
13

Adjacent Atomic Numbers
  
  

Previous Element
Dysprosium
  
Bismuth
  

Next Element
Erbium
  
Francium
  

Valence Electron Potential
47.90 (-eV)   
31
Not Available   

Lattice Constant
357.73 pm   
38
335.90 pm   
99+

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

Lattice C/A Ratio
1.57   
17
Not Available   

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