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Atomic Structure of Neptunium and Lawrencium


Atomic Structure of Lawrencium and Neptunium


Atomic Properties

Atomic Number
93   
25
103   
15

Electron Configuration
[Rn] 5f4 6d1 7s2   
[Rn] 5f14 7s2 7p1   

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

Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
93   
25
103   
15

Number of Neutrons
144   
14
157   
7

Number of Electrons
93   
25
103   
15

Radius of an Atom
  
  

Atomic Radius
155.00 pm   
30
Not Available   

Covalent Radius
190.00 pm   
18
Not Available   

Van der Waals Radius
221.00 pm   
22
246.00 pm   
8

Atomic Weight
237.00 amu   
22
266.00 amu   
12

Atomic Volume
11.62 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  
Nobelium
  

Next Element
Plutonium
  

Valence Electron Potential
96.00 (-eV)   
9
Not Available   

Lattice Constant
666.30 pm   
3
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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