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The new, updated Merck KGaA, Darmstadt, Germany PTE App for mobile devices

The periodic table in digital form, interactive and at a glance – entirely free of charge

Immediately find any imaginable information about an element, calculate molar masses of any compounds you like, facilitate your overview with infographics, compare atomic radii, masses, electronegativities, and much more!
After over a million downloads, now with extended functions, improved features and the visual image of our new corporate design (inspired by the colorful and multifaceted shapes seen under a microscope, the logo and colors now follow the concept of a vibrant science and technology company) – lively and dynamic.
Based on the idea of a lively science and technology company and inspired by the colorful and multifaceted shapes seen under a microscope, the new corporate design shows itself in expressive colors and shapes of a natural scientific impression. These are also represented in our new company logo.

Our PTE App is the ultimate tool for every friend of chemistry - whether pupil or teacher, student or professor, amateur or expert, hobbyist or technician. Our app is a must-have of digital periodic tables. Get informed with our mobile reference work, any time, with ease, offline and in detail. 
Thanks to the many hours of work, experiences, reviews and user feedbacks on our first PSE App (with over a million downloads!) we are now able to provide the new, improved and more appealing version of our PSE App. 
Even more features. Even more improvements. Even more user friendliness.
Download now free of charge and start experimenting. 

Features
  • All important information about the elements
    Atomic number, valence electrons, oxidation state, electronegativity according to Allred-Rochow and Pauling, atomic mass, boiling point, melting point, atomic radius, density, history, discoverer, classification, crystalline structure type, electron configuration, basic state, ionization energy, isotopic composition, state of matter, hardness according to Mohs, oxidation numbers, percentage of mass in Earth's crust, year of discovery, half-life, and much more
  • Visualized element properties
    Atomic radius, atomic radius graphic, electronegativity (according to Allred-Rochow and Pauling), ionization energy, relative atomic mass, state of matter, ranking list of properties, discovery, classifications
  • Molar mass calculator
    Simple entry field for chemical formulas. Calculate molar mass simply and quickly
  • Offline use
    No Internet needed. All contents in the app. 
  • Economical handling of access rights 
  • Variety of languages
    German, English, French, Spanish
  • Interactive operating system
    Smart operating elements and numerous selection options

Questions? Feedback? Suggestions? – You can reach us at apps@emdgroup.com 

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