Promethium

Silver

Atomic Structure of Promethium and Silver

Promethium

Silver

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Atomic

Atomic Number

6147

3 117

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Electron Configuration

[Xe] 4f⁵ 6s²

[Kr] 4d¹⁰ 5s¹

Crystal Structure

Double Hexagonal Close Packed (DHCP)

Face Centered Cubic (FCC)

Crystal Lattice

Atom

Number of Protons

6147

3 117

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Number of Neutrons

8461

4 285

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Number of Electrons

6147

3 117

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Radius of an Atom

Atomic Radius

183.00 pm144.00 pm

0 348

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Covalent Radius

199.00 pm145.00 pm

0 260

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Van der Waals Radius

236.00 pm172.00 pm

0 348

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Atomic Weight

145.00 amu107.87 amu

6.94 294

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Atomic Volume

22.39 cm3/mol10.30 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

44.10 (-eV)11.40 (-eV)

0 392.42

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Lattice Constant

-408.53 pm

0 891.25

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Lattice Angles

π/2, π/2, π/2

Lattice C/A Ratio

1.631.59

0.423 1.9

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