Covalent Bond
A chemical bond formed by two atoms sharing one or more pairs of electrons.
Definition
A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons to achieve a stable electron configuration, typically a full outer shell. Covalent bonds are generally formed between nonmetal atoms and can be single, double, or triple depending on the number of shared electron pairs. The resulting molecules have distinct shapes and properties governed by the arrangement of these bonds.
Example
“In a water molecule, each hydrogen atom shares one pair of electrons with the central oxygen atom, forming two covalent O-H bonds that give water its characteristic bent shape and polar nature.”
Usage Examples
- 1
“The team applied covalent bond best practices to improve their chemistry outcomes significantly.”
- 2
“Understanding covalent bond is essential for anyone building a career in STEM.”
When & How to Use
Use 'Covalent Bond' when working in Chemistry contexts where a covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons to achieve a stable electron configuration, typically a full outer shell.
- ▸Applying covalent bond principles during a chemistry project or initiative
- ▸Explaining covalent bond to a junior team member or stakeholder unfamiliar with STEM
- ▸Evaluating options or proposals using covalent bond as a decision-making criterion
Etymology & Origin
The term 'Covalent Bond' derives from Old English origins and entered STEM professional usage as the field formalised in the 20th century.
History & Evolution
The concept of covalent bond has evolved alongside STEM. Early practitioners relied on informal methods; structured approaches emerged with the professionalisation of chemistry in the mid-20th century. Today, covalent bond is a standard part of STEM practice globally.
Synonyms
- molecular bond
- electron-sharing bond
- nonmetal bond
Antonyms / Opposites
- ionic bond
- metallic bond
Images
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Related Terms
- Ionic Bond
- Hydrogen Bond
- Electronegativity
- Molecular Geometry