A law stating that the elements, when listed in order of their atomic numbers, fall into recurring groups, so that elements with similar properties occur at regular intervals.
Example sentencesExamples
His discovery of the periodic law in the late 1860s was a remarkable accomplishment.
This site provides details about him and his major achievement, with the discovery of periodic law and the table.
Definition of periodic law in US English:
periodic law
nounˌpirēˌädik ˈlôˌpɪriˌɑdɪk ˈlɔ
Chemistry
A law stating that the elements, when listed in order of their atomic numbers (originally, atomic weights), fall into recurring groups, so that elements with similar properties occur at regular intervals.
Example sentencesExamples
This site provides details about him and his major achievement, with the discovery of periodic law and the table.
His discovery of the periodic law in the late 1860s was a remarkable accomplishment.