Which property describes the yellow allotrope of antimony?

Magnetic, ferromagnetic at room temperature

Amorphous glassy form used in optics

Metastable, nonmetallic, produced from vapor condensation

Stable, conductive, used for wiring

Which historical medicinal use is antimony well known for?

As a primary analgesic (painkiller)

Use in emetics and purgatives (antimony compounds)

As a dietary supplement for iron deficiency

Nitrogen-based intumescent systems only

Phosphate esters without halogens

Chlorinated hydrocarbons used alone

Direct thermal decomposition to the metal

Electrolytic refining in aqueous solution

Reduction with carbon (coal/coke) or iron in smelting

Hydrometallurgical leaching with cyanide

Tetrahedrite / fahlores containing Sb

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01Which property describes the yellow allotrope of antimony?
02Which oxidation states are the most common for antimony in compounds?
03Which historical medicinal use is antimony well known for?
04In modern fire-retardant formulations, antimony compounds most often act as a synergist with which halogenated species?
05Which process is commonly used to produce metallic antimony from roasted oxide or sulfide concentrates?
06Besides stibnite, which mineral is sometimes an important source of antimony?
07What is the primary ore mineral of antimony?
08Which allotrope of antimony is the shiny, silvery, metallic form commonly used industrially?
09Which compound is formed when stibnite (Sb2S3) is roasted in air before reduction?
10Historically, which antimony compound was widely used as a flame-retardant synergist in plastics and textiles?