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Atomic Structure of Scandium and Cerium


Atomic Structure of Cerium and Scandium


Atomic Properties

Atomic Number
21   
99+
58   
99+

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

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

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

Atom
  
  

Number of Protons
21   
99+
58   
99+

Number of Neutrons
24   
99+
82   
99+

Number of Electrons
21   
99+
58   
99+

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
181.80 pm   
12

Covalent Radius
170.00 pm   
25
204.00 pm   
8

Van der Waals Radius
211.00 pm   
25
235.00 pm   
17

Atomic Weight
44.96 amu   
99+
140.12 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Calcium
  
Lanthanum
  

Next Element
Titanium
  

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

Lattice Constant
330.90 pm   
99+
362.00 pm   
34

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

Lattice C/A Ratio
1.59   
7
Not Available   

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