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Atomic Structure of Thulium and Lawrencium


Atomic Structure of Lawrencium and Thulium


Atomic Properties

Atomic Number
69   
99+
103   
15

Electron Configuration
[Xe] 4f13 6s2   
[Rn] 5f14 7s2 7p1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
69   
99+
103   
15

Number of Neutrons
100   
32
157   
7

Number of Electrons
69   
99+
103   
15

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
Not Available   

Covalent Radius
160.00 pm   
30
Not Available   

Van der Waals Radius
Not Available   
246.00 pm   
8

Atomic Weight
168.93 amu   
99+
266.00 amu   
12

Atomic Volume
18.10 cm3/mol   
28
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Erbium
  
Nobelium
  

Next Element
Ytterbium
  

Valence Electron Potential
49.70 (-eV)   
28
Not Available   

Lattice Constant
353.75 pm   
40
Not Available   

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

Lattice C/A Ratio
1.57   
17
Not Available   

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