Potassium Bohr model

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In the potassium Bohr model, the nucleus contains 19 protons and 20 neutrons. Around this nucleus are four electron shells, containing a total of 19 electrons.

To draw the potassium Bohr model, outline the 19 protons, 20 neutrons, and 19 electrons. Begin by illustrating the nucleus, and then depict the four electron shells. The first three shells should contain 2, 8, and 8 electrons, respectively, while the fourth shell holds the remaining electron.

Steps

Write protons, neutrons, and electrons of potassium atom

Potassium has 19 protons, 20 neutrons, and 19 electrons.

Learn how to find: Potassium protons neutrons electrons

Draw nucleus of potassium atom

The nucleus of a potassium atom contains 19 protons and 20 neutrons. So draw the nucleus of potassium 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 19 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 19 – 2 = 17 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 19 – 10 = 9 electrons 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 and 3p subshells. And the green and orange color represents the number of electrons in that subshell. This means that the 3^rd electron shell has a total of 8 electrons.

The 3^rd electron shell contains only 3s and 3p subshells, and not a 3d subshell. This is because according to the aufbau principle, the 4s subshell is filled first and then 3d, 4p, 5s… and so on.

Now we have already used 18 electrons in 1^st, 2^nd, and 3^rd electron shells, so we have 19 – 18 = 1 electron left. So in the next step, we have to draw the 4^th electron shell.

Draw 4^th electron shell

The 4^th electron shell (containing s subshell, p subshell, d subshell, and f subshell) can hold up to a maximum of 32 electrons. So draw the 4^th electron shell as follows:

In the above image, 4 represents the 4^th electron shell that contains 4s subshell. And the green color represents the number of electrons in that subshell. This means that the 4^th electron shell has a total of 1 electron.

That’s it! This is the final Bohr model of potassium atom as we have used all 19 electrons: 2 electrons in the 1^st electron shell, 8 electrons in the 2^nd electron shell, 8 electrons in the 3^rd electron shell, and 1 electron in the 4^th electron shell.

Next: Calcium Bohr model

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Related

• Potassium

More topics

• Potassium orbital diagram
• Potassium protons neutrons electrons
• Potassium valence electrons

External links

• File:19 potassium (K) enhanced Bohr model.png – Wikimedia Commons
• What is the Bohr model of potassium? – Socratic
• How to draw Bohr diagram for Potassium (K) atom – Topblogtenz
• Potassium Bohr Model: Diagram, Steps To Draw – Techiescientist
• How to draw Potassium(K) Bohr-Rutherford diagram? – Pinterest
• Chemical Elements.com – Potassium (K) – Chemical Elements.com
• How to make a Bohr model of potassium – Homework.Study.com
• Potassium Bohr model – ShowMe
• What is the Bohr model for potassium? – Brainly
• Consider the element POTASSIUM: Draw a Bohr Model diagram of a potassium atom – Chegg
• What is the Bohr model of potassium? – Numerade
• What is the Bohr model for potassium? – Quizlet