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Atomic Structure of Einsteinium and Berkelium


Atomic Structure of Berkelium and Einsteinium


Atomic

Atomic Number
99  
19
97  
21

Electron Configuration
[Rn] 5f11 7s2  
[Rn] 5f9 7s2  

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

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

Atom
  
  

Number of Protons
99  
19
97  
21

Number of Neutrons
153  
10
150  
12

Number of Electrons
99  
19
97  
21

Radius of an Atom
  
  

Atomic Radius
186.00 pm  
11
170.00 pm  
24

Covalent Radius
186.00 pm  
21
170.00 pm  
27

Van der Waals Radius
0.00 pm  
99+
244.00 pm  
14

Atomic Weight
252.00 amu  
16
247.00 amu  
18

Atomic Volume
17.04 cm3/mol  
99+
13.39 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Curium
  

Next Element
Fermium
  

Valence Electron Potential
0.00 (-eV)  
99+
45.50 (-eV)  
37

Lattice Constant
582.00 pm  
8
341.60 pm  
99+

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.29  
99+
1.57  
38

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