| periodic table n. Chemistry A tabular arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column. |
periodic table [ˌpɪərɪˈɒdɪk]
n
(Chemistry) a table of the elements, arranged in order of increasing atomic number, based on the periodic law. Elements having similar chemical properties and electronic structures appear in vertical columns (groups)
| Periodic Table A table in which the chemical elements are arranged in order of increasing atomic number. Elements with similar properties are arranged in the same column (called a group), and elements with the same number of electron shells are arranged in the same row (called a period). |   |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  periodic table - (chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic lawchemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions table, tabular array - a set of data arranged in rows and columns; "see table 1" |
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