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Interactive periodic table. Clicking on an element brings up a list of general properties and data, and information on its discovery, history, uses, geologic ...
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adjective 1. recurring at intervals of time: periodic revivals of an interest in handicrafts. 2. occurring or appearing at regular intervals: periodic visits of a ...
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The periodic table is a tabular display of the chemical elements, organized on a basis of their properties. Elements are presented in increasing atomic number ; while ...
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pe·ri·od·ic (pîr-d k) adj. 1. Having or marked by repeated cycles. 2. Happening or appearing at regular intervals. 3. Recurring or reappearing from time to time ...
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Library > Literature & Language > Dictionary ( pîr ' ē-ŏd ' ĭk ) adj. Having or marked by repeated cycles. Happening or appearing at regular intervals. Recurring ...
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Interactive Web 2.0 periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, search. Full descriptions.
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In mathematics, a periodic function is a function that repeats its values in regular intervals or periods. The most important examples are the trigonometric functions ...
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Definition of PERIODIC. 1. a: occurring or recurring at regular intervals b: occurring repeatedly from time to time . 2. a: consisting of or containing a series of ...
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occurring, appearing, or recurring at regular intervals: a periodic fever; occurring from time to time; intermittent; of or characterized by periods: the periodic ...
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An up-to-date periodic table with detailed but easy to understand information
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