Yttrium

Potassium

Atomic Structure of Yttrium and Potassium

Yttrium

Potassium

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Atomic

Atomic Number

3919

3 117

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Electron Configuration

[Kr] 4d¹ 5s²

[Ar] 4s¹

Crystal Structure

Hexagonal Close Packed (HCP)

Body Centered Cubic (BCC)

Crystal Lattice

Atom

Number of Protons

3919

3 117

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Number of Neutrons

5020

4 285

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Number of Electrons

3919

3 117

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Radius of an Atom

Atomic Radius

180.00 pm227.00 pm

0 348

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Covalent Radius

190.00 pm203.00 pm

0 260

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Van der Waals Radius

200.00 pm275.00 pm

0 348

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Atomic Weight

88.91 amu39.10 amu

6.94 294

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Atomic Volume

19.80 cm3/mol45.46 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

48.00 (-eV)10.40 (-eV)

0 392.42

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Lattice Constant

364.74 pm532.80 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

1.571.69

0.423 1.9

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