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 rules that govern how electrons are configured in an atom. Explore how atomic orbitals are related to the energy of electrons. Build the electron configurations of atoms and ions.

• Determine the number of electrons in a given atom or ion.
• Build the electron structure of the atom or ion by adding electrons.
• Discover the order electron orbitals are filled.
• Explore how the electron spin plays a role in placement.

App features:
• Build electron configurations for various atoms.
• Watch animations that explain the rules how electrons are placed in an atom.
• Get step-by-step support as you build an electron configuration.
• Test your knowledge with interactive tasks and quizzes.
• Want more? Check out the AC library in the App Store.