【實用教育app】Chemistry:Periodic table of the chemical elements (Mendeleev table) Free Lite|最夯免費app

The periodic table is a tabular display of the chemical elements, organized on the basis of their properties.Although precursors exist, the current table is generally credited to Dmitri Mendeleev, who developed it in 1869 to illustrate periodic trends in the properties of the then-known elements; the layout has been refined and extended as new elements have been discovered and new theoretical models developed to explain chemical behavior. Mendeleev's presentation also predicted some properties of then-unknown elements expected to fill gaps in his arrangement; these predictions were proved correct when those elements were discovered and found to have properties close to the predictions. This program displays those elements and their characteristics. Also you can search elements via search fields by elements parameters. Also you can read description from WIKI.The EN, FR and DE languages was added

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