Atomic Structure of Neptunium and Chromium
Atomic Properties
Atomic Number
93
25
24
99+
Electron Configuration
[Rn] 5f4 6d1 7s2
[Ar] 3d5 4s1
Crystal Structure
Orthorhombic (ORTH)
Body Centered Cubic (BCC)
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
93
25
24
99+
Number of Neutrons
144
14
28
99+
Number of Electrons
93
25
24
99+
Radius of an Atom
Atomic Radius
155.00 pm
30
128.00 pm
99+
Covalent Radius
190.00 pm
18
139.00 pm
99+
Van der Waals Radius
221.00 pm
22
200.00 pm
28
Atomic Weight
237.00 amu
22
52.00 amu
99+
Atomic Volume
11.62 cm3/mol
99+
7.23 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
96.00 (-eV)
9
170.00 (-eV)
4
Lattice Constant
666.30 pm
3
291.00 pm
99+
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
|
||
|
||
|
