periodic table

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.

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periodic table

Noun

Chem a table of the elements, arranged in order of increasing atomic number, based on the periodic law

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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).

Periodic Table

Thesaurus

Noun

1.

periodic table - (chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law chemical 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"