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Atomic Structure of Beryllium and Neptunium


Atomic Structure of Neptunium and Beryllium


Atomic Properties

Atomic Number
4   
99+
93   
25

Electron Configuration
[He] 2s2   
[Rn] 5f4 6d1 7s2   

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

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

Atom
  
  

Number of Protons
4   
99+
93   
25

Number of Neutrons
5   
99+
144   
14

Number of Electrons
4   
99+
93   
25

Radius of an Atom
  
  

Atomic Radius
112.00 pm   
99+
155.00 pm   
30

Covalent Radius
96.00 pm   
99+
190.00 pm   
18

Van der Waals Radius
153.00 pm   
99+
221.00 pm   
22

Atomic Weight
9.01 amu   
99+
237.00 amu   
22

Atomic Volume
5.00 cm3/mol   
99+
11.62 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Sodium
  
Plutonium
  

Valence Electron Potential
82.00 (-eV)   
15
96.00 (-eV)   
9

Lattice Constant
228.58 pm   
99+
666.30 pm   
3

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

Lattice C/A Ratio
1.57   
18
Not Available   

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