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Potassium
Potassium

Strontium
Strontium



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Potassium
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Strontium

Atomic Structure of Potassium and Strontium

Atomic

Atomic Number

1938
3 117
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Electron Configuration

[Ar] 4s1
[Kr] 5s2

Crystal Structure

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

Crystal Lattice

Atom

Number of Protons

1938
3 117
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Number of Neutrons

2050
4 285
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Number of Electrons

1938
3 117
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Radius of an Atom

Atomic Radius

227.00 pm215.00 pm
0 348
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Covalent Radius

203.00 pm195.00 pm
0 260
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Van der Waals Radius

275.00 pm249.00 pm
0 348
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Atomic Weight

39.10 amu87.62 amu
6.94 294
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Atomic Volume

45.46 cm3/mol33.70 cm3/mol
1.39 71.07
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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

10.40 (-eV)25.70 (-eV)
0 392.42
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Lattice Constant

532.80 pm608.49 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

1.691.57
0.423 1.9
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