Periodic Table is a simple easy to use educational application. Periodic Table of Elements (Mendeleev's Board) on your phone. You do not have to be online!
Periodic Table app works offline.
The Periodic Table contains basic information about the chemical elements.
Symbol name group period atomic number mass number.
Periodic Table of elemnts is a free aplication. It contains ads. The ads appear very rarely.

"Periodic table of elements (colloquially: Mendeleev's table) - combination of all chemical elements in the form of an expanded table ordered by their increasing atomic number grouping elements according to their cyclically similar similarities according to the periodicity of Dmitry Mendeleev." (Wikipedia)