Electron Configuration
How to Read / Order
- Start from the top-most arrow
- Follow the direction of the arrow. For example;
- 1s, 2s, 2p, 3s
- Exponent the electron with maximum number of electron until the total of exponents is equals to Atom Number.
- If the total is more than Atom Number, subtract the the last electron's exponent to make the total equals to the atom number.
Examples
Electron Configuration Based on Shell
an atom figure with shell labels (Oxygen)