Meitnerium

Samarium

Atomic Structure of Meitnerium and Samarium

Meitnerium

Samarium

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Atomic

Atomic Number

10962

3 117

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Electron Configuration

[Rn] 5f¹⁴ 6d⁷ 7s²

[Xe] 4f⁶ 6s²

Crystal Structure

Face Centered Cubic (FCC)

Rhombohedral (RHO)

Crystal Lattice

Atom

Number of Protons

10962

3 117

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Number of Neutrons

15788

4 285

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Number of Electrons

10962

3 117

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Radius of an Atom

Atomic Radius

122.00 pm180.00 pm

0 348

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Covalent Radius

129.00 pm198.00 pm

0 260

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Van der Waals Radius

260.00 pm229.00 pm

0 348

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Atomic Weight

278.00 amu150.36 amu

6.94 294

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Atomic Volume

20.20 cm3/mol19.95 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

31.20 (-eV)44.80 (-eV)

0 392.42

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Lattice Constant

0.00 pm362.10 pm

0 891.25

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Lattice Angles

π/2, π/2, 2 π/3

Lattice C/A Ratio

1.591.62

0.423 1.9

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Synthetic Metals

Fermium