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Beryllium
Beryllium




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Atomic Structure of Beryllium

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Atomic

Atomic Number

4
Rank: 91 (Overall)
3 117
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Electron Configuration

[He] 2s2

Crystal Structure

Hexagonal Close Packed (HCP)

Crystal Lattice

Atom

Number of Protons

4
Rank: 90 (Overall)
3 117
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Number of Neutrons

5
Rank: 67 (Overall)
4 184
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Number of Electrons

4
Rank: 90 (Overall)
3 117
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Radius of an Atom

Atomic Radius

112.00 pm
Rank: 51 (Overall)
112 265
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Covalent Radius

96.00 pm
Rank: 54 (Overall)
96 260
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Van der Waals Radius

153.00 pm
Rank: 43 (Overall)
139 348
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Atomic Weight

9.01 amu
Rank: 85 (Overall)
6.94 294
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Atomic Volume

5.00 cm3/mol
Rank: 63 (Overall)
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

82.00 (-eV)
Rank: 15 (Overall)
8 392.42
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Lattice Constant

228.58 pm
Rank: 69 (Overall)
228.58 891.25
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Lattice Angles

π/2, π/2, π/2

Lattice C/A Ratio

1.57
Rank: 18 (Overall)
1.567 1.886
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