electron shell

• منطقة محيطة بنواة الذرة يُرجَّح وجود الإلكترونات فيها، وتُنظَّم في مستويات طاقة أو مدارات.

The region surrounding the nucleus of an atom where electrons are most likely to be found, organized into energy levels or orbitals.

1. Atomic structureC1formal

   A region surrounding the nucleus of an atom where electrons are most likely to be found, organized into energy levels.

   غلاف إلكتروني

   • The first electron shell can hold up to two electrons.
   • Electrons in the outermost shell determine the chemical properties of an element.
   • When an atom absorbs energy, an electron can jump to a higher electron shell.