It needs to be easier to see your top scores
Level freeze So want to give this a 5, but....when I get to the higher levels (22, 23, etc), the level freezes and I can't do anything other than exit the app completely.
Awesome app It helps me practice my periodic table knowledge and also inspires to learn more.
It would be a good idea to add in the charges like what's the charge for ammonia and hydrogen and stuff like that :)
Great app. Great app. I love learning, even impossible things.
Added translations to new languages.
Added leaderboard and achievements.
Periodic table of elements, physical & chemical properties, solubility table.