Learn the basics of chemistry doing the quizzes and using the periodic table. FEATURES: • Periodic table quiz • Chemical valences quiz • All the elements of the periodic table • Atomic number, atomic mass, electronic configuration, electron
We inspect public signals such as HTTPS, the web app manifest, icons and install behaviour. The trust level shows how far that check went. It is useful evidence, not a guarantee or endorsement by the app owner.
Current trust level
L2
You may also like
More installable web apps from the same corner of the open web.
