Atomic Structure of Neodymium and Thorium
Atomic Properties
Atomic Number
60
99+
90
28
Electron Configuration
[Xe] 4f4 6s2
[Rn] 6d2 7s2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Face Centered Cubic (FCC)
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100
FCC-Crystal-Structure-of-Thorium.jpg#100
Atom
Number of Protons
60
99+
90
28
Number of Neutrons
84
40
142
15
Number of Electrons
60
99+
90
28
Radius of an Atom
Atomic Radius
181.00 pm
13
179.80 pm
15
Covalent Radius
201.00 pm
10
206.00 pm
7
Van der Waals Radius
229.00 pm
20
237.00 pm
15
Atomic Weight
144.24 amu
99+
232.04 amu
23
Atomic Volume
20.60 cm3/mol
18
19.90 cm3/mol
20
Adjacent Atomic Numbers
Valence Electron Potential
43.40 (-eV)
99+
59.30 (-eV)
23
Lattice Constant
365.80 pm
30
508.42 pm
14
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
1.61
4
Not Available
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