sulphide

/'sʌlfaid/

Thân thiện

A scientist carefully examines a crystal of iron sulphide in the laboratory.

Definition

1. Noun:
   • A chemical compound: A compound formed when sulfur combines with a more electropositive element or radical.

Usage

• As a noun: Used to name specific chemical substances where sulfur is bonded to a less electronegative element.
  • Hydrogen sulphide is a toxic gas with a characteristic smell of rotten eggs.
  • Iron sulphide is a common mineral found in many rocks.

Advanced Usage

• In geology and mineralogy: Used to classify a major group of ore minerals.
  • The prospectors discovered a vein rich in copper sulphide.
• In industrial chemistry: Refers to compounds often involved in chemical processes or as pollutants.
  • The scrubber system removes sulphur dioxide and other sulphide compounds from the flue gas.

Variants and Related Words

• Sulfide: The American English spelling variant of "sulphide". Both forms refer to the same class of compounds.
  • The formula for lead sulfide is PbS.
• Polysulphide (n): A compound containing chains of sulfur atoms.
  • Polysulphide seals are used in insulating glass units.

Synonyms

• Thioether (in organic chemistry): Specifically for compounds with the structure R-S-R'.
• Sulfur compound: A broader term that includes sulphides.

Related Phrases and Terms

• Metal sulphide: A common type of sulphide where the other element is a metal.
  • Galena is a mineral composed of lead sulphide.
• Hydrogen sulphide: A specific, well-known gaseous compound (H₂S).
  • Hydrogen sulphide is produced by the breakdown of organic matter in the absence of oxygen.

Học thuật

Noun

1. a compound of sulphur and some other element that is more electropositive

Từ đồng nghĩa

• sulfide