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chalcogen
This term is a technical classification used exclusively within chemistry to group elements based on their shared valence electron configuration. It carries a neutral, scientific connotation and is typically found in academic textbooks, research papers, or laboratory reports rather than general conversation.
Because it refers to a specific category of elements, it functions as a countable noun. When referring to the group as a whole, the singular form is used, but when discussing individual members of the group, the plural form is required.
Meanings
Examples
Oxygen is the most abundant chalcogen in the Earths crust.
Which chalcogen is used in the production of glass and solar cells?
I wonder if this specific chalcogen will react with the catalyst.
Sulfur is a common chalcogen found in many organic compounds.
The professor explained that every chalcogen has six valence electrons.
Tellurium is a rare chalcogen with semiconductor properties.
Tellurium is a rare chalcogen with semiconductor properties.
Wait, is polonium considered a chalcogen even though it is radioactive?
Wait, is polonium considered a chalcogen even though it is radioactive?
The chemical properties of each chalcogen vary significantly down the group.