chalcogen: meaning, definition, pronunciation and examples

C2
UK/ˈkælkədʒən/US/ˈkælkədʒən/

Technical / Scientific

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Quick answer

What does “chalcogen” mean?

Any of the elements in group 16 of the periodic table, specifically oxygen, sulfur, selenium, tellurium, polonium, and livermorium.

Audio

Pronunciation

Definition

Meaning and Definition

Any of the elements in group 16 of the periodic table, specifically oxygen, sulfur, selenium, tellurium, polonium, and livermorium.

The term refers to a chemical family whose members share similar electron configurations and chemical properties, such as forming compounds with metals (e.g., oxides, sulfides).

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. Spelling conventions follow standard national patterns in surrounding text.

Connotations

Purely technical, academic connotation in both varieties.

Frequency

Exclusively used in chemistry, geology, and materials science contexts. Extremely low frequency in general discourse.

Grammar

How to Use “chalcogen” in a Sentence

The [metal] forms a [compound] with the chalcogen [element].Chalcogens typically have a valency of -2.[Element] is a member of the chalcogen group.

Vocabulary

Collocations

strong
chalcogen atomchalcogen elementheavy chalcogenchalcogen bondchalcogenide glass
medium
belongs to the chalcogenschalcogen familyreact with a chalcogen
weak
containing chalcogenproperties of chalcogens

Examples

Examples of “chalcogen” in a Sentence

adjective

British English

  • The chalcogen content of the mineral was analysed.
  • Chalcogen interactions influence the material's conductivity.

American English

  • The compound's chalcogen atoms were identified via spectroscopy.
  • Researchers studied the chalcogen-based polymer.

Usage

Meaning in Context

Academic

Frequent in advanced chemistry textbooks and research papers discussing periodic trends, material synthesis, or semiconductor physics.

Everyday

Virtually never used.

Technical

Core term in inorganic chemistry, solid-state physics, and materials engineering, e.g., 'chalcogenide solar cells'.

Vocabulary

Synonyms of “chalcogen”

Neutral

Group 16 elementoxygen family element

Vocabulary

Antonyms of “chalcogen”

Watch out

Common Mistakes When Using “chalcogen”

  • Mispronouncing as /tʃælˈkoʊdʒən/ (with a 'ch' as in 'chair').
  • Confusing with 'halogen' (Group 17).
  • Using in non-technical contexts.

FAQ

Frequently Asked Questions

No, it is a highly specialized term used almost exclusively in chemistry and related scientific fields.

Despite its radioactivity and metallic character, polonium sits in Group 16 of the periodic table, sharing the same valence electron configuration (ns² np⁴) as oxygen and sulfur, which defines the chalcogen group.

A compound consisting of at least one chalcogen anion (e.g., S²⁻, Se²⁻) and at least one more electropositive element. Common examples are metal sulfides and selenides.

Yes, though rarely outside technical writing. For example, 'chalcogen doping' or 'chalcogen vacancy' are acceptable in materials science contexts.

Any of the elements in group 16 of the periodic table, specifically oxygen, sulfur, selenium, tellurium, polonium, and livermorium.

Chalcogen is usually technical / scientific in register.

Chalcogen: in British English it is pronounced /ˈkælkədʒən/, and in American English it is pronounced /ˈkælkədʒən/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: 'CHALkogen' – imagine chalk (calcium, a metal) being born ('gen') from an ore like copper oxide. The group creates the 'ore-formers'.

Conceptual Metaphor

A FAMILY or TEAM of elements with shared traits and roles in compound formation.

Practice

Quiz

Fill in the gap
Selenium, a used in photocopiers, can exist in both amorphous and crystalline forms.
Multiple Choice

Which of the following is NOT a chalcogen?