chemical structure

[/ˈkɛmɪkəl ˈstrʌktʃər/]
nounpl: chemical structures
estrutura química
1. The arrangement of atoms and bonds in a molecule, determining its properties and behavior
The chemical structure of water consists of one oxygen atom bonded to two hydrogen atoms.
A estrutura química da água consiste em um átomo de oxigênio ligado a dois átomos de hidrogênio.
2. A diagram or model representing how atoms are connected in a compound
Scientists used X-ray crystallography to determine the chemical structure of the protein.
Os cientistas usaram cristalografia de raios X para determinar a estrutura química da proteína.
3. The spatial arrangement and bonding patterns that give a substance its characteristic properties
The chemical structure determines whether a substance is toxic or beneficial.
A estrutura química determina se uma substância é tóxica ou benéfica.
Chemical structure is fundamental terminology in chemistry, used universally in academic, industrial, and pharmaceutical contexts across both Brazil and the United States. In Brazil, understanding chemical structures is emphasized in secondary education and is crucial for university entrance exams (ENEM). The term is culturally neutral and maintains identical meaning across all Portuguese-speaking regions and English-speaking countries.
Synonyms / Sinônimos
molecular structureatomic arrangementstructural formulaconstitution

Regional Variations

General Brazilian
estrutura química
Standard term used in chemistry textbooks and academic contexts
Rio de Janeiro
estrutura química
No significant regional variation
São Paulo
estrutura química
No significant regional variation; common in industrial and pharmaceutical sectors
Portugal
estrutura química
Identical usage; standard in Portuguese chemistry education and research

Related Words

moleculeatombondcompoundisomerpolymerfunctional groupspectroscopy

Related Idioms & Phrases

structure-activity relationship (SAR)
elucidate the chemical structure
determine the structure
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