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Einsteinium
Einsteinium

Lanthanum
Lanthanum



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Einsteinium
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Lanthanum

Atomic Structure of Einsteinium and Lanthanum

Atomic

Atomic Number

9957
3 117
👆🏻

Electron Configuration

[Rn] 5f11 7s2
[Xe] 5d2 6s2

Crystal Structure

Face Centered Cubic (FCC)
Double Hexagonal Close Packed (DHCP)

Crystal Lattice

Atom

Number of Protons

9957
3 117
👆🏻

Number of Neutrons

15382
4 285
👆🏻

Number of Electrons

9957
3 117
👆🏻

Radius of an Atom

Atomic Radius

186.00 pm187.00 pm
0 348
👆🏻

Covalent Radius

186.00 pm207.00 pm
0 260
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Van der Waals Radius

0.00 pm240.00 pm
0 348
👆🏻

Atomic Weight

252.00 amu138.91 amu
6.94 294
👆🏻

Atomic Volume

17.04 cm3/mol20.73 cm3/mol
1.39 71.07
👆🏻

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

0.00 (-eV)40.71 (-eV)
0 392.42
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Lattice Constant

582.00 pm377.20 pm
0 891.25
👆🏻

Lattice Angles

-
π/2, π/2, 2 π/3

Lattice C/A Ratio

1.291.62
0.423 1.9
👆🏻