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Beryllium
Beryllium

Lead
Lead



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Beryllium
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Atomic Structure of Beryllium and Lead

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Atomic

Atomic Number

482
3 117
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Electron Configuration

[He] 2s2
[Xe] 4f14 5d10 6s2 6p2

Crystal Structure

Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)

Crystal Lattice

Atom

Number of Protons

482
3 117
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Number of Neutrons

5125
4 285
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Number of Electrons

482
3 117
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Radius of an Atom

Atomic Radius

112.00 pm175.00 pm
0 348
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Covalent Radius

96.00 pm146.00 pm
0 260
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Van der Waals Radius

153.00 pm202.00 pm
0 348
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Atomic Weight

9.01 amu207.20 amu
6.94 294
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Atomic Volume

5.00 cm3/mol18.17 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

82.00 (-eV)24.20 (-eV)
0 392.42
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Lattice Constant

228.58 pm495.08 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
π/2, π/2, π/2

Lattice C/A Ratio

1.571.51
0.423 1.9
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