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Protactinium
Protactinium

Scandium
Scandium



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Protactinium
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Scandium

Atomic Structure of Protactinium and Scandium

1 Atomic
1.1 Atomic Number
9121
Atomic Structure of Lithium
3 117
1.3 Electron Configuration
[Rn] 5f2 6d1 7s2
[Ar] 3d1 4s2
1.4 Crystal Structure
Tetragonal (TETR)
Hexagonal Close Packed (HCP)
1.4.1 Crystal Lattice
1.5 Atom
1.5.1 Number of Protons
9121
Atomic Structure of Lithium
3 117
1.5.2 Number of Neutrons
12224
Atomic Structure of Lithium
4 184
1.5.3 Number of Electrons
9121
Atomic Structure of Lithium
3 117
1.6 Radius of an Atom
1.6.1 Atomic Radius
163.00 pm162.00 pm
Atomic Structure of Beryllium
112 265
1.6.2 Covalent Radius
200.00 pm170.00 pm
Atomic Structure of Beryllium
96 260
1.6.3 Van der Waals Radius
243.00 pm211.00 pm
Atomic Structure of Zinc
139 348
1.7 Atomic Weight
231.04 amu44.96 amu
Atomic Structure of Lithium
6.94 294
1.8 Atomic Volume
15.00 cm3/mol15.00 cm3/mol
Atomic Structure of Manganese
1.39 71.07
1.9 Adjacent Atomic Numbers
1.9.1 Previous Element
1.9.2 Next Element
1.10 Valence Electron Potential
92.00 (-eV)58.00 (-eV)
Atomic Structure of Francium
8 392.42
1.11 Lattice Constant
392.50 pm330.90 pm
Atomic Structure of Beryllium
228.58 891.25
1.12 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.13 Lattice C/A Ratio
NA1.59
Atomic Structure of Beryllium
1.567 1.886