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Rhenium
Rhenium

Promethium
Promethium



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Rhenium
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Promethium

Atomic Structure of Rhenium and Promethium

1 Atomic
1.1 Atomic Number
7561
Lithium
3 117
1.2 Electron Configuration
[Xe] 4f14 5d5 6s2
[Xe] 4f5 6s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
7561
Lithium
3 117
1.4.2 Number of Neutrons
11184
Lithium
4 184
1.4.3 Number of Electrons
7561
Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
137.00 pm183.00 pm
Beryllium
112 265
1.5.2 Covalent Radius
151.00 pm199.00 pm
Beryllium
96 260
1.5.3 Van der Waals Radius
200.00 pm236.00 pm
Zinc
139 348
1.6 Atomic Weight
186.21 amu145.00 amu
Lithium
6.94 294
1.7 Atomic Volume
8.85 cm3/mol22.39 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)44.10 (-eV)
Francium
8 392.42
1.10 Lattice Constant
276.10 pmNA
Beryllium
228.58 891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
Unknown
1.12 Lattice C/A Ratio
1.62NA
Beryllium
1.567 1.886