Neon orbital diagram

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Neon orbital diagram
Neon orbital diagram

In the neon orbital diagram, the 1s subshell accommodates two electrons, the 2s subshell holds another pair, and the 2p subshell encompasses six electrons, totaling ten electrons.

To depict the neon orbital diagram, begin by determining the number of electrons from the periodic table. Note the electron configuration for reference and adhere to the three essential rules: the Aufbau principle, Pauli exclusion principle, and Hund’s rule. This systematic approach ensures an accurate representation of neon’s orbital arrangement.


Find electrons

The atomic number of neon represents the total number of electrons of neon. Since the atomic number of neon is 10, the total electrons of neon are 10.

Write electron configuration

The electron configuration of neon is 1s2 2s2 2p6.

Now in the next step, start drawing the orbital diagram for neon.

Draw orbital diagram

Before drawing the orbital diagram, you should know the three general rules.

  • Aufbau principle – electrons are first filled in lowest energy orbital and then in higher energy orbital
  • Pauli exclusion principle – two electrons with the same spin can not occupy the same orbital
  • Hund’s rule – each orbital should be first filled with one electron before being paired with a second electron

Also, you should know the number of orbitals in each subshell.

We can calculate the number of orbitals in each subshell using the formula: 2ℓ + 1

Where, ℓ = azimuthal quantum number of the subshell

For s subshell, ℓ = 0
For p subshell, ℓ = 1
For d subshell, ℓ = 2
For f subshell, ℓ = 3

So each s subshell has one orbital, each p subshell has three orbitals, each d subshell has five orbitals, and each f subshell has seven orbitals.

Now start to draw!

As mentioned above, the electron configuration of neon is 1s2 2s2 2p6. Hence, draw the blank orbital diagram of neon up to 2p subshell as follows:

Blank orbital diagram of neon

In the above orbital diagram, the box represents an orbital. Each orbital has a capacity of two electrons. And the arrows (↑↓) are drawn inside the box to represent electrons.

Now 1s2 indicates that the 1s subshell has 2 electrons. So draw two arrows in the 1s box showing two electrons as follows:

Two arrows drawn in 1s box represent 1s2

2s2 indicates that the 2s subshell has 2 electrons. So draw two arrows in the 2s box showing two electrons as follows:

Two arrows drawn in 2s box represent 2s2

2p6 indicates that the 2p subshell has 6 electrons. So draw six arrows in the 2p box showing six electrons as follows:

Six arrows drawn in 2p box represent 2p6

That’s it! This is the final orbital diagram of neon as we have used all 10 electrons.

Next: Aluminum orbital diagram


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