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Thulium
Thulium

Protactinium
Protactinium



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Thulium
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Protactinium

Atomic Structure of Thulium and Protactinium

1 Atomic
1.1 Atomic Number
6991
Atomic Structure of Lithium
3 117
1.2 Electron Configuration
[Xe] 4f13 6s2
[Rn] 5f2 6d1 7s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Tetragonal (TETR)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
6991
Atomic Structure of Lithium
3 117
1.4.2 Number of Neutrons
100122
Atomic Structure of Lithium
4 184
1.4.3 Number of Electrons
6991
Atomic Structure of Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
176.00 pm163.00 pm
Atomic Structure of Beryllium
112 265
1.5.2 Covalent Radius
160.00 pm200.00 pm
Atomic Structure of Beryllium
96 260
1.5.3 Van der Waals Radius
NA243.00 pm
Atomic Structure of Zinc
139 348
1.6 Atomic Weight
168.93 amu231.04 amu
Atomic Structure of Lithium
6.94 294
1.7 Atomic Volume
18.10 cm3/mol15.00 cm3/mol
Atomic Structure of 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
49.70 (-eV)92.00 (-eV)
Atomic Structure of Francium
8 392.42
1.10 Lattice Constant
353.75 pm392.50 pm
Atomic Structure of 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
1.57NA
Atomic Structure of Beryllium
1.567 1.886