Go beyond the standard textbooks and take learning to the next level. Take part in scientific explorations, interactive exercises—and do it all right there on your device!

Discover the importance of electrons in elements. Build atom models using electrons and energy levels. Compare how elements with different numbers of electrons behave.

• Build atom models by adding or removing electrons.
• Add electrons to different energy levels.
• Build models for various elements.

App features:
• Build atom models.
• Learn about electron energy levels.
• Watch animations that explain the concepts.
• Test your knowledge with interactive tasks and quizzes.
• Want more? Check out the AC library in the App Store.