Periodic table - Elementa

Elementa is an interactive periodic table for students aged 11 to 15 and their teachers. All 118 elements in one clear grid, and for each of them, what a student needs to learn. It works offline, has no ads and collects no data. THE WHOLE TABLE • All 118 elements, including the lanthanides and actinides • Pinch to zoom and drag to move around • On iPhone and iPad, in portrait and landscape COLOUR MODES • Colour the elements by group, state of matter, block or school curriculum • Tap a legend item to highlight just that group and see a short explanation of what it means • A “Czech curriculum only” switch shows just the elements taught at Czech schools ELEMENT DETAILS • Atomic number and relative atomic mass • Position in the table: group, period, block and state of matter • Common and less common oxidation states, and electronegativity • An animated Bohr model of the atom • A short “What it means” explanation for every value, written for students • For curriculum elements, where students meet them in everyday life • A fun fact for every element SEARCH • By symbol, Czech or English name, or atomic number • Works even without Czech diacritics • Elements that don’t match are only dimmed and the table zooms in on the results, so students always see where they are ENGLISH AND CZECH Switch the app’s language right inside it, without changing your phone’s language. Element details always show the English name too. FOR EVERY STUDENT The app supports VoiceOver, and the legend uses symbols as well as colours, so students with colour vision deficiency can read it too. SAFE FOR CHILDREN • No ads and no in-app purchases • No account and no internet connection needed • Collects, stores and sends no personal data WHO IT’S FOR Students learning element symbols, names and the structure of the atom, and chemistry teachers who want a clear periodic table on iPhone and iPad in class.