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Rhenium
Rhenium

Iridium
Iridium



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Rhenium
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Iridium

Atomic Structure of Rhenium and Iridium

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1 Atomic
1.1 Atomic Number
7577
Lithium
3 117
1.2 Electron Configuration
[Xe] 4f14 5d5 6s2
[Xe] 4f14 5d7 6s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
7574
Lithium
3 117
1.4.2 Number of Neutrons
111110
Lithium
4 184
1.4.3 Number of Electrons
7574
Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
137.00 pm136.00 pm
Beryllium
112 265
1.5.2 Covalent Radius
151.00 pm141.00 pm
Beryllium
96 260
1.5.3 Van der Waals Radius
200.00 pm202.00 pm
Zinc
139 348
1.6 Atomic Weight
186.21 amu192.22 amu
Lithium
6.94 294
1.7 Atomic Volume
8.85 cm3/mol9.53 cm3/mol
Manganese
1.39 71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
180.00 (-eV)140.00 (-eV)
Francium
8 392.42
1.10 Lattice Constant
276.10 pm383.90 pm
Beryllium
228.58 891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
1.12 Lattice C/A Ratio
1.62NA
Beryllium
1.567 1.886