Aufbau Principle Diagram Example. 1s 2 2s 2 p 4. Each type of orbitals in the above diagram is colored the same and are arranged in the ascending order of the principal quantum number n from the top to bottom for example 2p 3p 4p 5p 6p.
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The next two would fill the 2s orbital leaving the remaining four electrons to take spots in the 2p orbital. An aufbau diagram uses arrows to represent electrons. The aufbau principle says the first two electrons would fill the 1s orbital.
An arrow pointing up denotes an electron spinning one way and an arrow pointing downwards denotes an electron spinning the other way.
The following steps detail how to draw an aufbau diagram. Determine the number of electrons that the atom has. The next two would fill the 2s orbital leaving the remaining four electrons to take spots in the 2p orbital. 1s 2 2s 2 p 4.
