Technetium (Tc)
A fascinating transition metal element.
Technetium is element 43 on the periodic table.
Element properties
- Atomic number
- 43
- Symbol
- Tc
- Atomic mass
- 98 u
- Category
- Transition Metal
- Period
- 5
- Group
- 7
- Block
- d
- State
- Solid
- Electron configuration
- [Kr] 4d5 5s2
- Electronegativity (Pauling)
- 1.9
- Density
- 11.5 g/cm³
- Melting point
- 2157 °C
- Boiling point
- 4265 °C