periodic table

[/pɪriˈɒdɪk ˈteɪbəl/]
nounpl: periodic tables
tabela periódica
1. A systematic arrangement of all known chemical elements organized by atomic number, electron configuration, and recurring chemical properties
The periodic table is an essential tool for chemistry students to understand element properties.
A tabela periódica é uma ferramenta essencial para alunos de química compreenderem as propriedades dos elementos.
2. A chart or reference table displaying elements in rows and columns, with elements grouped by similar characteristics
Mendeleev created the first periodic table in 1869.
Mendeleev criou a primeira tabela periódica em 1869.
The periodic table is a fundamental reference in both American and Brazilian science education, typically introduced in high school chemistry courses. It is named after Russian chemist Dmitri Mendeleev, whose organizational system is celebrated globally. The table appears in chemistry classrooms, laboratories, and textbooks worldwide as an iconic symbol of chemistry and scientific organization.
Synonyms / Sinônimos
Mendeleev's tableperiodic systemelement table

Regional Variations

General Brazilian
tabela periódica
Standard term used in educational and scientific contexts
São Paulo
tabela periódica
Used consistently in schools and universities
Portugal
tabela periódica
Same as Brazilian Portuguese; sometimes called 'sistema periódico' in formal chemistry texts

Related Words

elementatomic numberchemical propertiesgroupperiodvalencechemistry

Related Idioms & Phrases

read the periodic table like a book - to have deep knowledge of chemistry
periodic table of elements - full formal designation
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