Chemistry helper is the best app to learm chemistry! With many topics and formulas for every requirement fused into a very colorful and attractive graphics. Obviously contains a periodic table with all the info you need. Chemistry Helper is also a great help to students and defines many of the topics. It also contains a molecular mass calculator that allows you to do super fast your exercise.
topics:
-Protons, neutrons, electrons
-colligative properties
-% M / m and m / v
-Gas
-Concentration: morality and molality
-Heat
-Enthalpy
-Entropy
-Acids and Bases
Other content:
-Periodic Table
Computer-molecular mass
Computer-number of protons, neutrons, electrons
Computer-% m / m and m / v
-Table on the specific heat of the main elements
-A table containing a number of thermodynamic data of many substances