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Atomic Structure of Thulium and Potassium


Atomic Structure of Potassium and Thulium


Atomic

Atomic Number
69  
99+
19  
99+

Electron Configuration
[Xe] 4f13 6s2  
[Ar] 4s1  

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

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

Atom
  
  

Number of Protons
69  
99+
19  
99+

Number of Neutrons
100  
33
20  
99+

Number of Electrons
69  
99+
19  
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm  
20
227.00 pm  
4

Covalent Radius
160.00 pm  
32
203.00 pm  
9

Van der Waals Radius
227.00 pm  
26
275.00 pm  
7

Atomic Weight
168.93 amu  
99+
39.10 amu  
99+

Atomic Volume
18.10 cm3/mol  
40
45.46 cm3/mol  
4

Adjacent Atomic Numbers
  
  

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Erbium
  
Aluminium
  

Next Element
Ytterbium
  
Calcium
  

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

Lattice Constant
353.75 pm  
99+
532.80 pm  
13

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

Lattice C/A Ratio
1.57  
40
1.69  
10

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