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Atomic Structure of Osmium



Atomic

Atomic Number
76 40

Electron Configuration
[Xe] 4f14 5d6 6s2

Crystal Structure
Hexagonal Close Packed (HCP)

Crystal Lattice
BCC-Crystal-Structure-.jpg#100

Atom

Number of Protons
76 39

Number of Neutrons
114 26

Number of Electrons
76 39

Radius of an Atom

Atomic Radius
133.80 pm 46

Covalent Radius
128.00 pm 52

Van der Waals Radius
216.00 pm 30

Atomic Weight
190.23 amu 35

Atomic Volume
8.49 cm3/mol 76

Adjacent Atomic Numbers

Previous Element
64

Next Element
33

Valence Electron Potential
91.40 (-eV) 12

Lattice Constant
273.44 pm 73

Lattice Angles
π/2, π/2, 2 π/3

Lattice C/A Ratio
1.58 37

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