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Calcium
Calcium

Lithium
Lithium



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Calcium
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Lithium

Atomic Structure of Calcium and Lithium

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Atomic

Atomic Number

203
3 117
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Electron Configuration

[Ar] 4s2
[He] 2s1

Crystal Structure

Face Centered Cubic (FCC)
Body Centered Cubic (BCC)

Crystal Lattice

Atom

Number of Protons

203
3 117
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Number of Neutrons

204
4 285
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Number of Electrons

203
3 117
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Radius of an Atom

Atomic Radius

197.00 pm152.00 pm
0 348
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Covalent Radius

176.00 pm128.00 pm
0 260
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Van der Waals Radius

231.00 pm182.00 pm
0 348
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Atomic Weight

40.08 amu6.94 amu
6.94 294
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Atomic Volume

29.90 cm3/mol13.10 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

29.00 (-eV)19.00 (-eV)
0 392.42
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Lattice Constant

558.84 pm351.00 pm
0 891.25
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Lattice Angles

π/2, π/2, π/2
π/2, π/2, π/2

Lattice C/A Ratio

1.551.62
0.423 1.9
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