Strontium

Technetium

Atomic Structure of Strontium and Technetium

Strontium

Technetium

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Atomic

Atomic Number

3843

3 117

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Electron Configuration

[Kr] 5s²

[Kr] 4d⁵ 5s²

Crystal Structure

Face Centered Cubic (FCC)

Hexagonal Close Packed (HCP)

Crystal Lattice

Atom

Number of Protons

3843

3 117

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Number of Neutrons

5055

4 285

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Number of Electrons

3843

3 117

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Radius of an Atom

Atomic Radius

215.00 pm136.00 pm

0 348

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Covalent Radius

195.00 pm147.00 pm

0 260

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Van der Waals Radius

249.00 pm200.00 pm

0 348

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Atomic Weight

87.62 amu98.00 amu

6.94 294

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Atomic Volume

33.70 cm3/mol8.50 cm3/mol

1.39 71.07

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Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

25.70 (-eV)180.00 (-eV)

0 392.42

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Lattice Constant

608.49 pm273.50 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

1.571.60

0.423 1.9

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