Copper

Lanthanum

Atomic Structure of Copper and Lanthanum

Copper

Lanthanum

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Atomic

Atomic Number

2957

3 117

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Electron Configuration

[Ar] 3d¹⁰ 4s¹

[Xe] 5d² 6s²

Crystal Structure

Face Centered Cubic (FCC)

Double Hexagonal Close Packed (DHCP)

Crystal Lattice

Atom

Number of Protons

2957

3 117

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Number of Neutrons

3582

4 285

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Number of Electrons

2957

3 117

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Radius of an Atom

Atomic Radius

128.00 pm187.00 pm

0 348

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Covalent Radius

132.00 pm207.00 pm

0 260

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Van der Waals Radius

140.00 pm240.00 pm

0 348

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Atomic Weight

63.55 amu138.91 amu

6.94 294

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Atomic Volume

7.10 cm3/mol20.73 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

34.00 (-eV)40.71 (-eV)

0 392.42

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Lattice Constant

361.49 pm377.20 pm

0 891.25

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Lattice Angles

π/2, π/2, π/2

π/2, π/2, 2 π/3

Lattice C/A Ratio

1.281.62

0.423 1.9

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