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Atomic Structure of Cerium and Calcium


Atomic Structure of Calcium and Cerium


Atomic Properties

Atomic Number
58   
99+
20   
99+

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

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Cerium.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   

Atom
  
  

Number of Protons
58   
99+
20   
99+

Number of Neutrons
82   
99+
20   
99+

Number of Electrons
58   
99+
20   
99+

Radius of an Atom
  
  

Atomic Radius
181.80 pm   
12
197.00 pm   
6

Covalent Radius
204.00 pm   
8
176.00 pm   
22

Van der Waals Radius
235.00 pm   
17
231.00 pm   
19

Atomic Weight
140.12 amu   
99+
40.08 amu   
99+

Atomic Volume
20.67 cm3/mol   
17
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

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Lanthanum
  
Potassium
  

Next Element
Scandium
  

Valence Electron Potential
41.78 (-eV)   
99+
29.00 (-eV)   
99+

Lattice Constant
362.00 pm   
34
558.84 pm   
9

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

Lattice C/A Ratio
Not Available   
Not Available   

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