Cerium

Beryllium

Atomic Structure of Cerium and Beryllium

Cerium

Beryllium

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Atomic

Atomic Number

584

3 117

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Electron Configuration

[Xe] 4f¹ 5d¹ 6s²

[He] 2s²

Crystal Structure

Double Hexagonal Close Packed (DHCP)

Hexagonal Close Packed (HCP)

Crystal Lattice

Atom

Number of Protons

584

3 117

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Number of Neutrons

825

4 285

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Number of Electrons

584

3 117

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Radius of an Atom

Atomic Radius

181.80 pm112.00 pm

0 348

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Covalent Radius

204.00 pm96.00 pm

0 260

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Van der Waals Radius

235.00 pm153.00 pm

0 348

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Atomic Weight

140.12 amu9.01 amu

6.94 294

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Atomic Volume

20.67 cm3/mol5.00 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

41.78 (-eV)82.00 (-eV)

0 392.42

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Lattice Constant

362.00 pm228.58 pm

0 891.25

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Lattice Angles

π/2, π/2, 2 π/3

π/2, π/2, π/2

Lattice C/A Ratio

1.591.57

0.423 1.9

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