Indium

Thallium

Atomic Structure of Indium and Thallium

Indium

Thallium

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Atomic

Atomic Number

4981

3 117

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Electron Configuration

[Kr] 4d¹⁰ 5s² 5p¹

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹

Crystal Structure

Tetragonal (TETR)

Hexagonal Close Packed (HCP)

Crystal Lattice

Atom

Number of Protons

4981

3 117

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Number of Neutrons

66123

4 285

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Number of Electrons

4981

3 117

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Radius of an Atom

Atomic Radius

167.00 pm170.00 pm

0 348

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Covalent Radius

142.00 pm145.00 pm

0 260

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Van der Waals Radius

193.00 pm196.00 pm

0 348

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Atomic Weight

114.82 amu204.38 amu

6.94 294

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Atomic Volume

15.70 cm3/mol17.20 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

54.00 (-eV)9.60 (-eV)

0 392.42

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Lattice Constant

325.23 pm345.66 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

1.561.60

0.423 1.9

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