Atomic Structure of Ruthenium and Promethium
Atomic Properties
Atomic Number
44
99+
61
99+
Electron Configuration
[Kr] 4d7 5s1
[Xe] 4f5 6s2
Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100
DHCP-Crystal-Structure-of-Promethium.jpg#100
Atom
Number of Protons
44
99+
61
99+
Number of Neutrons
57
99+
84
40
Number of Electrons
44
99+
61
99+
Radius of an Atom
Atomic Radius
134.00 pm
99+
183.00 pm
10
Covalent Radius
146.00 pm
38
199.00 pm
12
Van der Waals Radius
200.00 pm
28
236.00 pm
16
Atomic Weight
101.07 amu
99+
145.00 amu
99+
Atomic Volume
8.30 cm3/mol
99+
22.39 cm3/mol
12
Adjacent Atomic Numbers
Valence Electron Potential
64.00 (-eV)
22
44.10 (-eV)
39
Lattice Constant
270.59 pm
99+
Not Available
Lattice Angles
π/2, π/2, 2 π/3
Unknown
Lattice C/A Ratio
1.58
11
Not Available
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