Thallium

Iron

Atomic Structure of Thallium and Iron

Thallium

Iron

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Atomic

Atomic Number

8126

3 117

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Electron Configuration

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹

[Ar] 3d⁶ 4s²

Crystal Structure

Hexagonal Close Packed (HCP)

Body Centered Cubic (BCC)

Crystal Lattice

Atom

Number of Protons

8126

3 117

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Number of Neutrons

12330

4 285

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Number of Electrons

8126

3 117

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Radius of an Atom

Atomic Radius

170.00 pm126.00 pm

0 348

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Covalent Radius

145.00 pm132.00 pm

0 260

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Van der Waals Radius

196.00 pm200.00 pm

0 348

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Atomic Weight

204.38 amu55.85 amu

6.94 294

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Atomic Volume

17.20 cm3/mol7.10 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

9.60 (-eV)67.00 (-eV)

0 392.42

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Lattice Constant

345.66 pm286.65 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

1.601.35

0.423 1.9

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