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Atomic Structure of Thallium and Einsteinium


Atomic Structure of Einsteinium and Thallium


Atomic

Atomic Number
81  
35
99  
19

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

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

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

Atom
  
  

Number of Protons
81  
35
99  
19

Number of Neutrons
123  
21
153  
10

Number of Electrons
81  
35
99  
19

Radius of an Atom
  
  

Atomic Radius
170.00 pm  
24
186.00 pm  
11

Covalent Radius
145.00 pm  
99+
186.00 pm  
21

Van der Waals Radius
196.00 pm  
37
0.00 pm  
99+

Atomic Weight
204.38 amu  
31
252.00 amu  
16

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

Adjacent Atomic Numbers
  
  

Previous Element
Mercury
  

Next Element
Lead
  
Fermium
  

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

Lattice Constant
345.66 pm  
99+
582.00 pm  
8

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.60  
23
1.29  
99+

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