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Atomic Structure of Berkelium and Einsteinium


Atomic Structure of Einsteinium and Berkelium


Atomic

Atomic Number
97  
21
99  
19

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

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

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

Atom
  
  

Number of Protons
97  
21
99  
19

Number of Neutrons
150  
12
153  
10

Number of Electrons
97  
21
99  
19

Radius of an Atom
  
  

Atomic Radius
170.00 pm  
24
186.00 pm  
11

Covalent Radius
170.00 pm  
27
186.00 pm  
21

Van der Waals Radius
244.00 pm  
14
0.00 pm  
99+

Atomic Weight
247.00 amu  
18
252.00 amu  
16

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

Adjacent Atomic Numbers
  
  

Previous Element
Curium
  

Next Element
Fermium
  

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

Lattice Constant
341.60 pm  
99+
582.00 pm  
8

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.57  
38
1.29  
99+

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