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Beryllium
Beryllium

Meitnerium
Meitnerium



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Beryllium
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Meitnerium

Atomic Structure of Beryllium and Meitnerium

Atomic

Atomic Number

4109
3 117
👆🏻

Electron Configuration

[He] 2s2
[Rn] 5f14 6d7 7s2

Crystal Structure

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

Crystal Lattice

Atom

Number of Protons

4109
3 117
👆🏻

Number of Neutrons

5157
4 285
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Number of Electrons

4109
3 117
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Radius of an Atom

Atomic Radius

112.00 pm122.00 pm
0 348
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Covalent Radius

96.00 pm129.00 pm
0 260
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Van der Waals Radius

153.00 pm260.00 pm
0 348
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Atomic Weight

9.01 amu278.00 amu
6.94 294
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Atomic Volume

5.00 cm3/mol20.20 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

82.00 (-eV)31.20 (-eV)
0 392.42
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Lattice Constant

228.58 pm0.00 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
-

Lattice C/A Ratio

1.571.59
0.423 1.9
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