Periodic Table app analytics for December 21

A reference application for Periodic Table in Chemistry. - No network connection needed. - Easy to zoom in and out periodic table with two fingers - Show details description and history about certain element - Show many physical properties of an element such as oxidation states, density, electron configuration, thermal conductivity and more. - A tool help all students memorize the elements - A important reference for any student who studies chemistry. - A important referenece for anyone in chemistry field. - Easy and simple to use. New: It comes with the history of each element