Sodium Bohr model

The information on this page is ✔ fact-checked.

In the sodium Bohr model, the nucleus consists of 11 protons and 12 neutrons. Revolving around this nucleus are three electron shells, containing a total of 11 electrons.

To draw the sodium Bohr model, outline the 11 protons, 12 neutrons, and 11 electrons. Begin by illustrating the nucleus, and then depict the three electron shells. The first two shells should accommodate 2 and 8 electrons, respectively, while the third shell holds the remaining electron.

Steps

Write protons, neutrons, and electrons of sodium atom

Sodium has 11 protons, 12 neutrons, and 11 electrons.

Learn how to find: Sodium protons neutrons electrons

Draw nucleus of sodium atom

The nucleus of a sodium atom contains 11 protons and 12 neutrons. So draw the nucleus of sodium atom as follows:

Now in the next step, draw the 1^st electron shell and start marking electrons.

Draw 1^st electron shell

Remember that we have a total of 11 electrons.

The 1^st electron shell (containing s subshell) can hold up to a maximum of 2 electrons. So draw the 1^st electron shell as follows:

In the above image, 1 represents the 1^st electron shell that contains 1s subshell. And the green color represents the number of electrons in that subshell. This means that the 1^st electron shell has a total of 2 electrons.

Since we have already used 2 electrons in the 1^st electron shell, now we have 11 – 2 = 9 electrons left. So in the next step, we have to draw the 2^nd electron shell.

Draw 2^nd electron shell

The 2^nd electron shell (containing s subshell and p subshell) can hold up to a maximum of 8 electrons. So draw the 2^nd electron shell as follows:

In the above image, 2 represents the 2^nd electron shell that contains 2s and 2p subshells. And the green and orange color represents the number of electrons in that subshell. This means that the 2^nd electron shell has a total of 8 electrons.

Now we have already used 10 electrons in 1^st and 2^nd electron shells, so we have 11 – 10 = 1 electron left. So in the next step, we have to draw the 3^rd electron shell.

Draw 3^rd electron shell

The 3^rd electron shell (containing s subshell, p subshell, and d subshell) can hold up to a maximum of 18 electrons. So draw the 3^rd electron shell as follows:

In the above image, 3 represents the 3^rd electron shell that contains 3s subshell. And the green color represents the number of electrons in that subshell. This means that the 3^rd electron shell has a total of 1 electron.

That’s it! This is the final Bohr model of sodium atom as we have used all 11 electrons: 2 electrons in the 1^st electron shell, 8 electrons in the 2^nd electron shell, and 1 electron in the 3^rd electron shell.

Next: Magnesium Bohr model

📝 Your feedback matters. Visit our contact page.

Related

• Sodium

More topics

• Sodium orbital diagram
• Sodium protons neutrons electrons
• Sodium valence electrons

External links

• File:11 sodium (Na) Bohr model.png – Wikimedia Commons
• What is the Bohr model for sodium? – Homework.Study.com
• How to draw Bohr diagram for Sodium(Na) atom – Topblogtenz
• Sodium Bohr Model — Diagram, Steps To Draw – Techiescientist
• Bohr Diagrams of Atoms and Ions – Chemistry LibreTexts
• Bohr Diagram Of Sodium – Pinterest
• Chemical Elements.com – Sodium (Na) – Chemical Elements.com
• Sodium – Key Stage Wiki
• How to Make a 3D Model of Sodium – Sciencing
• Bohr Model of Sodium | Science – ShowMe
• What is the bohr Rutherford diagram of sodium? – Answers
• Draw the Bohr-Rutherford diagram for sodium-23 – Numerade
• How many protons, electrons and neutrons does an atom of sodium have? – Quora