noun
(chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law
• Topics: ↑chemistry, ↑chemical science
• Hypernyms: ↑table, ↑tabular array
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noun [singular]
chemistry : a list that shows the chemical elements arranged according to their properties
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a list of all the chemical elements, arranged according to their ↑atomic number
Useful english dictionary. 2012.