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Atomic Structure of Technetium and Europium


Atomic Structure of Europium and Technetium


Atomic Properties

Atomic Number
43   
99+
63   
99+

Electron Configuration
[Kr] 4d5 5s2   
[Xe] 4f7 6s2   

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

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

Atom
  
  

Number of Protons
43   
99+
63   
99+

Number of Neutrons
55   
99+
89   
38

Number of Electrons
43   
99+
63   
99+

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
180.00 pm   
14

Covalent Radius
147.00 pm   
37
198.00 pm   
13

Van der Waals Radius
200.00 pm   
28
233.00 pm   
18

Atomic Weight
98.00 amu   
99+
151.96 amu   
99+

Atomic Volume
8.50 cm3/mol   
99+
28.90 cm3/mol   
8

Adjacent Atomic Numbers
  
  

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Samarium
  

Next Element
Ruthenium
  
Gadolinium
  

Valence Electron Potential
180.00 (-eV)   
3
45.60 (-eV)   
35

Lattice Constant
273.50 pm   
99+
458.10 pm   
17

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

Lattice C/A Ratio
1.60   
5
Not Available   

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