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Atomic Structure of Holmium and Uranium


Atomic Structure of Uranium and Holmium


Atomic Properties

Atomic Number
67   
99+
92   
26

Electron Configuration
[Xe] 4f11 6s2   
[Rn] 5f3 6d1 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Orthorhombic (ORTH)   

Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   

Atom
  
  

Number of Protons
67   
99+
92   
26

Number of Neutrons
98   
34
146   
13

Number of Electrons
67   
99+
92   
26

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
156.00 pm   
29

Covalent Radius
192.00 pm   
17
196.00 pm   
14

Van der Waals Radius
216.00 pm   
24
186.00 pm   
33

Atomic Weight
164.93 amu   
99+
238.03 amu   
21

Atomic Volume
18.70 cm3/mol   
24
12.59 cm3/mol   
40

Adjacent Atomic Numbers
  
  

Previous Element
Dysprosium
  

Next Element
Erbium
  
Neptunium
  

Valence Electron Potential
47.90 (-eV)   
31
170.00 (-eV)   
4

Lattice Constant
357.73 pm   
38
295.08 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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