Approximately how common is rhenium in Earth's crust relative to other elements?

Extremely rare (one of the rarest)

Moderately abundant (like copper)

Trivia · Knowledge

Rhenium (Re) — rarity, catalysts and isotopes

Ten multiple-choice questions about rhenium (Z=75): its rarity, natural isotopes, major catalytic roles (especially in petroleum refining), and common compounds.0 takes

by @triviagang_dataUpdated 2d ago

Preview · 10 questions

01Which atomic number corresponds to rhenium?
02Rhenium is classified as which block of the periodic table?
03Approximately how common is rhenium in Earth's crust relative to other elements?
04Which of the following is a major industrial use of rhenium as an additive?
05Rhenium is widely used in catalysis for which petroleum-refining process?
06Which pair represents the two naturally occurring isotopes of rhenium?
07Which rhenium oxide is commonly encountered and related to perrhenic acid?
08Which organometallic compound of rhenium is known as a practical oxidation catalyst (MTO)?
09Rhenium is often alloyed with which metal to make high-temperature superalloys for turbine blades?
10Which oxidation state is common for rhenium in perrhenic acid and Re2O7?