Atomic Structure of Osmium and Radium
Atomic Properties
Atomic Number
76
40
88
30
Electron Configuration
[Xe] 4f14 5d6 6s2
[Rn] 7s2
Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
76
39
88
30
Number of Neutrons
114
25
138
16
Number of Electrons
76
39
88
30
Radius of an Atom
Atomic Radius
133.80 pm
99+
Not Available
Covalent Radius
Not Available
221.00 pm
3
Van der Waals Radius
216.00 pm
24
283.00 pm
4
Atomic Weight
190.23 amu
35
226.00 amu
26
Atomic Volume
8.49 cm3/mol
99+
45.20 cm3/mol
4
Adjacent Atomic Numbers
Valence Electron Potential
91.40 (-eV)
12
20.10 (-eV)
99+
Lattice Constant
273.44 pm
99+
514.80 pm
13
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
1.58
14
Not Available
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