75
Re
Rhenium
Rhenium
Rhenium (Re)
Transition Metals · Solid · Period 6 · Group 7
Element Properties
- Atomic Number
- 75
- Symbol
- Re
- Atomic Mass
- 186.207
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 6
- Group
- 7
- Electronegativity
- 1.9
- Atomic Radius
- 217
- Ionization Energy
- 7.88
- Electron Affinity
- 0.15
- Oxidation States
- +7, +6, +4
- Melting Point
- 3459 K (3185.85 °C)
- Boiling Point
- 5869 K (5595.85 °C)
- Density
- 20.8
- Electron Configuration
- [Xe]6s2 4f14 5d5
- Year Discovered
- 1925
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Frequently asked questions
What is the atomic number of Rhenium?
The atomic number of Rhenium is 75, which equals the number of protons in its nucleus.
What is the atomic mass of Rhenium?
The atomic mass of Rhenium is approximately 186.207 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Rhenium?
The electron configuration of Rhenium is [Xe]6s2 4f14 5d5.
Where is Rhenium in the periodic table?
Rhenium is located in period 6, group 7.
When was Rhenium discovered?
Rhenium was discovered in 1925.