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Atomic Structure of Protactinium

Atomic Properties of Protactinium

Atomic Number of Protactinium
91
27
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Protactinium Electron Configuration
[Rn] 5f2 6d1 7s2

Crystal Structure
Tetragonal (TETR)
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Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100

Atom of Protactinium

Number of Protons
91
27
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Number of Neutrons
122
22
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Number of Electrons
91
27
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Radius of an Atom

Atomic Radius
163.00 pm
25
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Covalent Radius
200.00 pm
11
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Van der Waals Radius
243.00 pm
11
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Atomic Weight
231.04 amu
24
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Atomic Volume
15.00 cm3/mol
34
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential
92.00 (-eV)
11
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Lattice Constant
392.50 pm
23
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Lattice Angles
π/2, π/2, π/2

Lattice C/A Ratio
Not Available