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Atomic Structure of Cerium and Einsteinium


Atomic Structure of Einsteinium and Cerium


Atomic

Atomic Number
58  
99+
99  
19

Electron Configuration
[Xe] 4f1 5d1 6s2  
[Rn] 5f11 7s2  

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

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

Atom
  
  

Number of Protons
58  
99+
99  
19

Number of Neutrons
82  
99+
153  
10

Number of Electrons
58  
99+
99  
19

Radius of an Atom
  
  

Atomic Radius
181.80 pm  
14
186.00 pm  
11

Covalent Radius
204.00 pm  
8
186.00 pm  
21

Van der Waals Radius
235.00 pm  
21
0.00 pm  
99+

Atomic Weight
140.12 amu  
99+
252.00 amu  
16

Atomic Volume
20.67 cm3/mol  
27
17.04 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Lanthanum
  

Next Element
Fermium
  

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

Lattice Constant
362.00 pm  
38
582.00 pm  
8

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.59  
31
1.29  
99+

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