Atomic Number: 75

Atomic Weight: 186.207

Melting Point: 3459 K (3186°C or 5767°F)

Boiling Point: 5869 K (5596°C or 10105°F)

Density: 20.8 grams per cubic centimeter

Phase at Room Temperature: Solid

Element Classification: Metal

Period Number: 6

Group Number: 7

Group Name: none

Both Rhenium isotopes are used for medical purposes. Re-185 is used for the production of Re-186 which is used for bone pain palliation. Re-187 can be used for the production of Re-188 which is used for cancer therapy and restenosis, though most Re-188 is produced via W-186.