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Atomic Structure of Cerium and Scandium


Atomic Structure of Scandium and Cerium


Atomic Properties

Atomic Number
58   
99+
21   
99+

Electron Configuration
[Xe] 4f1 5d1 6s2   
[Ar] 3d1 4s2   

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

Crystal Lattice
DHCP-Crystal-Structure-of-Cerium.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   

Atom
  
  

Number of Protons
58   
99+
21   
99+

Number of Neutrons
82   
99+
24   
99+

Number of Electrons
58   
99+
21   
99+

Radius of an Atom
  
  

Atomic Radius
181.80 pm   
12
162.00 pm   
26

Covalent Radius
204.00 pm   
8
170.00 pm   
25

Van der Waals Radius
235.00 pm   
17
211.00 pm   
25

Atomic Weight
140.12 amu   
99+
44.96 amu   
99+

Atomic Volume
20.67 cm3/mol   
17
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

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Lanthanum
  
Calcium
  

Next Element
Titanium
  

Valence Electron Potential
41.78 (-eV)   
99+
58.00 (-eV)   
24

Lattice Constant
362.00 pm   
34
330.90 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.59   
7

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