CHEM - Determining the Electron Configuration of Atoms
Chemistry, electron configuration - IGCSE | IBDP | DSE | GCE | IAL | AP Chemistry
Electron configuration is the arrangement of electrons in electron shells of an atom.
What are electron shells?
Electrons orbit the nucleus in different energy levels in an atom. The energy levels that the electrons move around in are called electron shells.
Each electron shell can contain different number of electrons.
Rules for Determining Electron Configuration
For IGCSE Chemistry, you should be able to determine the electron configuration of the first 20 elements!
👇 Let's take a look at some examples!! 👇
Electron Configuration of Hydrogen (H)
Electron Configuration of Lithium (Li)
Electron Configuration of Chlorine (Cl)
Electron Configuration of Calcium (Ca)
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