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covalency

covalency

8.2
The number of other atoms an atom shares electrons with
  • noun
  • /koʊˈveɪlənsi/
  • Specialized
: covalencia
  • Oxygen has a covalency of two, allowing it to form two bonds with hydrogen atoms in water.

Examples

  • Carbon's covalency enables it to create complex molecular structures such as those found in organic compounds.

  • The covalency of carbon is four.

  • The covalency of an element can often be deduced from its position in the periodic table.

  • Oxygen has a covalency of two.

  • Carbon's covalency allows it to bond with four other atoms, forming a wide variety of organic molecules.

  • In chemistry, the covalency of an element helps determine the types of compounds it can form.

  • The covalency of nitrogen is three, enabling it to create stable molecules like ammonia.

Synonyms

valence
vscovalency
  • Specialized
1 8.9

The number of chemical bonds an atom can form

refers specifically to shared electron pairs in covalent bonding rather than general capacity
valency
vscovalency
  • UK
1 9.5

The number of bonds an atom can form with other atoms

focuses specifically on counting shared electron pairs rather than bond count
covalence
vscovalency
  • Specialized
1 8.8

The number of other atoms an atom can share electrons with to make bonds

is the same meaning but is spelled in a different form

Surface Forms

covalency singular
covalencies plural

Morphology

covalency = valency (transparent) = co + valency

Formed by productive prefix 'co-' (together/shared) added to 'valency'; knowing 'valency' and 'co-' lets learners infer the meaning in a chemistry context.

Etymology

Covalency starts with co- meaning 'together' and uses valence from a root meaning 'power to join'. So covalency is the power an atom has to 'join together' with others by sharing electrons, which is why it tells how many bonds an atom can form.