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Tc
Technetium
Z
43
97.0 g/mol
Transition Metal
Radioactive
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Overview
Atomic Properties
Thermodynamics
Electromagnetism
Isotopes
Group
7
Period
5
Block
d
Occurrence
Synthetic
Biological Role
---
History
1937 (discovery, isolation)
Carlo Perrier, Emilio Segrè
Named By
Carlo Perrier, Emilio Segrè
Latin Name
Technetium
Abundance
Universe
---
x
Sun
---
x
Meteorites
---
x
Earth's crust
---
x
Oceans
---
x
Humans
---
x
42
Mo
44
Ru
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