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Atomic Structure of Sodium and Thulium


Atomic Structure of Thulium and Sodium


Atomic

Atomic Number
11  
99+
69  
99+

Electron Configuration
[Ne] 3s1  
[Xe] 4f13 6s2  

Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Thulium.jpg#100  

Atom
  
  

Number of Protons
11  
99+
69  
99+

Number of Neutrons
12  
99+
100  
33

Number of Electrons
11  
99+
69  
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm  
11
176.00 pm  
20

Covalent Radius
166.00 pm  
29
160.00 pm  
32

Van der Waals Radius
227.00 pm  
26
227.00 pm  
26

Atomic Weight
22.99 amu  
99+
168.93 amu  
99+

Atomic Volume
23.70 cm3/mol  
14
18.10 cm3/mol  
40

Adjacent Atomic Numbers
  
  

Previous Element
Beryllium
  
Erbium
  

Next Element
Magnesium
  
Ytterbium
  

Valence Electron Potential
14.10 (-eV)  
99+
49.70 (-eV)  
29

Lattice Constant
429.06 pm  
22
353.75 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.01  
99+
1.57  
40

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