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Atomic Structure of Holmium and Scandium


Atomic Structure of Scandium and Holmium


Atomic Properties

Atomic Number
67   
99+
21   
99+

Electron Configuration
[Xe] 4f11 6s2   
[Ar] 3d1 4s2   

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

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

Atom
  
  

Number of Protons
67   
99+
21   
99+

Number of Neutrons
98   
34
24   
99+

Number of Electrons
67   
99+
21   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
162.00 pm   
26

Covalent Radius
192.00 pm   
17
170.00 pm   
25

Van der Waals Radius
216.00 pm   
24
211.00 pm   
25

Atomic Weight
164.93 amu   
99+
44.96 amu   
99+

Atomic Volume
18.70 cm3/mol   
24
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

Previous Element
Dysprosium
  
Calcium
  

Next Element
Erbium
  
Titanium
  

Valence Electron Potential
47.90 (-eV)   
31
58.00 (-eV)   
24

Lattice Constant
357.73 pm   
38
330.90 pm   
99+

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

Lattice C/A Ratio
1.57   
17
1.59   
7

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