Manganese Bohr model

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The manganese Bohr model depicts a nucleus with 25 protons and 30 neutrons. Surrounding this nucleus are four electron shells, housing a total of 25 electrons.

To draw the manganese Bohr model, outline the 25 protons, 30 neutrons, and 25 electrons. Start by illustrating the nucleus, and then draw the four electron shells. The first three shells should contain 2, 8, and 13 electrons, respectively, while the fourth shell holds the remaining 2 electrons.

Steps

Write protons, neutrons, and electrons of manganese atom

Manganese has 25 protons, 30 neutrons, and 25 electrons.

Learn how to find: Manganese protons neutrons electrons

Draw nucleus of manganese atom

The nucleus of a manganese atom contains 25 protons and 30 neutrons. So draw the nucleus of manganese 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 25 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 25 – 2 = 23 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 25 – 10 = 15 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, 3p, and 3d subshells. And the green, orange, and pink color represents the number of electrons in that subshell. This means that the 3^rd electron shell has a total of 13 electrons.

In the 3^rd electron shell, the 3d subshell has only five electrons. 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 23 electrons in 1^st, 2^nd, and 3^rd electron shells, so we have 25 – 23 = 2 electrons 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 2 electrons.

That’s it! This is the final Bohr model of manganese atom as we have used all 25 electrons: 2 electrons in the 1^st electron shell, 8 electrons in the 2^nd electron shell, 13 electrons in the 3^rd electron shell, and 2 electrons in the 4^th electron shell.

Next: Iron Bohr model

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Related

• Manganese

More topics

• Manganese orbital diagram
• Manganese protons neutrons electrons

External links

• File:25 manganese (Mn) enhanced Bohr model.png – Wikimedia Commons
• How do you draw and label a Bohr model for Mn? – Socratic
• Chemical Elements.com – Manganese (Mn) – Chemical Elements.com
• Manganese (Mn) – Periodic Table – ChemicalAid
• What is the Bohr model for Manganese? – Topblogtenz