Periodic Table · element

Rhenium

Re · Z 75

atomic number
75
atomic mass
186.21
notation
Re
group
7: Manganese
period
6
state0c
Solid
state20c
Solid
occurrence
Primordial
density
21.02
melting pt
3186
boiling pt
5596
discovered
1908
abundance
0.0007
ore grade
0.5
ore minerals
in molybdenite, at hundreds of ppm
mined as
By-product

extraction

Scrubbed from the flue gas of molybdenite roasters as perrhenic acid and precipitated as ammonium perrhenate — the source of nearly all rhenium, for jet-engine superalloys.

categories

#Metal#Transition Metal

machines

Referenced by

machine

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From the All Periodical Elements database in Notion, last edited 2026-08-16. This page is the row, rendered by the build; nothing on it is written by hand.