Rhenium (Re) Properties and Facts

Element 75 - Transition Metal

What are the basic properties of Rhenium?

Rhenium (symbol: Re) is a transition metal with atomic number 75. Its atomic mass is 186.21 u, and it belongs to period 6 and group 7.

What is the electron configuration of Rhenium?

The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d⁵ 6s²

What are the physical properties of Rhenium?

Melting point: 3459.0 K
Boiling point: 5869.0 K
Density: 21.02 g/cm³

What are the known isotopes of Rhenium?

  • Re-185: 37.4% abundance
  • Re-187: 62.6% abundance

What is the biological role and occurrence of Rhenium?

Biological role: No known biological role
Natural occurrence: Found in molybdenite

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