75
Re
Transition metal

Rhenium

Atomic number 75 · Period 6 · Block D

Re · Rhenium
Mendeleev.com

Understanding the element

Rhenium (Re) is chemical element 75. It belongs to the transition metals, and its reference state at room temperature is a solid. Those basic facts are a useful starting point for its chemistry and applications.

Where do we encounter it?

In practice, it turns up most often in jet engines, catalysts and thermocouples.

jet enginescatalyststhermocouples
Standard atomic weight186.207(1)

What its position in the table tells us

Rhenium sits in period 6, group 7 and the D block. That location is useful because neighbouring elements often share trends in valence electrons, oxidation states and bonding behaviour.

Worth remembering
Rhenium has a characteristic place in the periodic table that helps explain both its chemistry and its practical uses

Scientific sources

Element identity
Atomic number75
Group7
Period6
BlockD
CategoryTransition metal
PhaseSolid