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Atomic Structure of Yttrium and Neptunium


Atomic Structure of Neptunium and Yttrium


Atomic Properties

Atomic Number
39   
99+
93   
25

Electron Configuration
[Kr] 4d1 5s2   
[Rn] 5f4 6d1 7s2   

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

Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
ORTH-Crystal-Structure-of-Neptunium.jpg#100   

Atom
  
  

Number of Protons
39   
99+
93   
25

Number of Neutrons
50   
99+
144   
14

Number of Electrons
39   
99+
93   
25

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
155.00 pm   
30

Covalent Radius
190.00 pm   
18
190.00 pm   
18

Van der Waals Radius
200.00 pm   
28
221.00 pm   
22

Atomic Weight
88.91 amu   
99+
237.00 amu   
22

Atomic Volume
19.80 cm3/mol   
21
11.62 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Strontium
  
Uranium
  

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Zirconium
  
Plutonium
  

Valence Electron Potential
48.00 (-eV)   
30
96.00 (-eV)   
9

Lattice Constant
364.74 pm   
31
666.30 pm   
3

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

Lattice C/A Ratio
1.57   
16
Not Available   

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