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Atomic Structure of Einsteinium and Thallium


Atomic Structure of Thallium and Einsteinium


Atomic

Atomic Number
99  
19
81  
35

Electron Configuration
[Rn] 5f11 7s2  
[Xe] 4f14 5d10 6s2 6p1  

Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
99  
19
81  
35

Number of Neutrons
153  
10
123  
21

Number of Electrons
99  
19
81  
35

Radius of an Atom
  
  

Atomic Radius
186.00 pm  
11
170.00 pm  
24

Covalent Radius
186.00 pm  
21
145.00 pm  
99+

Van der Waals Radius
0.00 pm  
99+
196.00 pm  
37

Atomic Weight
252.00 amu  
16
204.38 amu  
31

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

Adjacent Atomic Numbers
  
  

Previous Element
Mercury
  

Next Element
Fermium
  
Lead
  

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

Lattice Constant
582.00 pm  
8
345.66 pm  
99+

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.29  
99+
1.60  
23

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