Atomic Structure of Neptunium and Lead
Atomic Properties
Atomic Number
93
25
82
34
Electron Configuration
[Rn] 5f4 6d1 7s2
[Xe] 4f14 5d10 6s2 6p2
Crystal Structure
Orthorhombic (ORTH)
Face Centered Cubic (FCC)
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100
FCC-Crystal-Structure-of-Lead.jpg#100
Atom
Number of Protons
93
25
82
34
Number of Neutrons
144
14
125
19
Number of Electrons
93
25
82
34
Radius of an Atom
Atomic Radius
155.00 pm
30
175.00 pm
19
Covalent Radius
190.00 pm
18
146.00 pm
38
Van der Waals Radius
221.00 pm
22
202.00 pm
27
Atomic Weight
237.00 amu
22
207.20 amu
30
Atomic Volume
11.62 cm3/mol
99+
18.17 cm3/mol
27
Adjacent Atomic Numbers
Valence Electron Potential
96.00 (-eV)
9
24.20 (-eV)
99+
Lattice Constant
666.30 pm
3
495.08 pm
16
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
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