Technetium
| Technetium Symbol | Tc |
| Technetium Atomic Number | 43 |
| Technetium Atomic Mass | 97 g.mol-1 |
| Discovered by | Carlo Perrier and Emilio Segre |
It is the lightest element and has a common oxidation state of 7. It has three isotopes which are radioactive and unstable. The isotopes and their atomic mass is as follows:
97Tc = 96.906
98Tc = 97.907
99Tc = 98.906
Table of Contents
- What is Technetium?
- Chemical Properties of Technetium
- Physical Properties of Technetium
- Certain Facts About Technetium
- Uses of Technetium
- Frequently asked questions
What is Technetium?
- Technetium (Tc) is a chemical element in the periodic table with atomic number 43.
- It is a silvery-grey radioactive metal which looks similar to platinum.
- The metals name is derived from the Greek word Tekhnetos which means artificial.
Chemical Properties of Technetium
| Group | 7 | Melting point | 2157°C, 3915°F, 2430 K |
| Period | 5 | Boiling point | 4262°C, 7704°F, 4535 K |
| Block | d | Density (g cm−3) | 11 |
| Atomic number | 43 | Relative atomic mass | [97] |
| State at 20°C | Solid | Key isotopes | 97Tc, 98Tc |
| Electron configuration | [Kr] 4d5 5s2 | CAS number | 7440-26-8 |
| ChemSpider ID | 22396 | ChemSpider is a free chemical structure database | |
Physical Properties of Technetium
- The metal is the lightest element that has all isotopes as radioactive and none are stable.
- Commonly obtained in a powder form which will be in grey colour.
- Artificially generated through many ways like fission, water disposal, and neutron activation.
Certain Facts About Technetium
- As it is radioactive metal, it is toxic and harmful to life.
- The compound of 99Tc is very contaminative in nature and hazardous for life.
- One must use a safety glove box while handling the chemical.
Uses of Technetium
- Used as a catalyst similar to the way rhenium and palladium are used.
- Protects steel from corrosion.
- Certain compounds are helpful in the manufacture of photoelectric nuclear batteries.
- The metal could be used to map the circulatory system and any disorders.
- Proposedly could be used in the optoelectric nuclear batteries.
Frequently Asked Questions – FAQs
Q1
What is the Vanderwaals radius of Technetium?
0.128 nm
Q2
Which block does Technetium belong to?
Technetium is a d block element.
Q3
What is the atomic number of Technetium?
43
Q4
What is the atomic mass of Technetium?
98 g/mol
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