Rutherfordium Bohr model

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In the rutherfordium Bohr model, the nucleus comprises 104 protons and 157 neutrons. Surrounding this nucleus are seven electron shells, accommodating a total of 104 electrons.

To draw the rutherfordium Bohr model, draw the 104 protons, 157 neutrons, and 104 electrons. Start by illustrating the nucleus, and then draw the seven electron shells. The first six shells should contain 2, 8, 18, 32, 32, and 10 electrons, respectively, while the seventh shell holds the remaining 2 electrons.

Steps

Find protons, neutrons, and electrons of rutherfordium atom

Rutherfordium has 104  protons, 157 neutrons, and 104 electrons.

Rutherfordium protons

• Protons = atomic number

From the periodic table, find the atomic number of rutherfordium.

The atomic number of rutherfordium is 104. Hence, rutherfordium has a total of 104 protons.

Rutherfordium neutrons

• Neutrons = atomic mass – atomic number

The atomic mass of rutherfordium is 261 and the atomic number of rutherfordium is 104.

Subtract the atomic number (104) from the atomic mass (261). Hence, rutherfordium has a total of 261 – 104 = 157 neutrons.

Rutherfordium electrons

• Electrons = atomic number

The atomic number of rutherfordium is 104. Hence, rutherfordium has a total of 104 electrons.

Draw nucleus of rutherfordium atom

The nucleus of a rutherfordium atom contains 104 protons and 157 neutrons. So draw the nucleus of rutherfordium 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 104 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 104 – 2 = 102 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 104 – 10 = 94 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 18 electrons.

Now we have already used 28 electrons in 1^st, 2^nd, and 3^rd electron shells, so we have 104 – 28 = 76 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, 4p, 4d, and 4f subshells. And the green, orange, pink, and blue color represents the number of electrons in that subshell. This means that the 4^th electron shell has a total of 32 electrons.

Now we have already used 60 electrons in 1^st, 2^nd, 3^rd, and 4^th electron shells, so we have 104 – 60 = 44 electrons left. So in the next step, we have to draw the 5^th electron shell.

Draw 5^th electron shell

The 5^th electron shell can hold up to a maximum of 50 electrons. So draw the 5^th electron shell as follows:

In the above image, 5 represents the 5^th electron shell that contains 5s, 5p, 5d, and 5f subshells. And the green, orange, pink, and blue color represents the number of electrons in that subshell. This means that the 5^th electron shell has a total of 32 electrons.

Now we have already used 92 electrons in 1^st, 2^nd, 3^rd, 4^th, and 5^th electron shells, so we have 104 – 92 = 12 electrons left. So in the next step, we have to draw the 6^th electron shell.

Draw 6^th electron shell

The 6^th electron shell can hold up to a maximum of 72 electrons. So draw the 6^th electron shell as follows:

In the above image, 6 represents the 6^th electron shell that contains 6s, 6p, and 6d subshells. And the green, orange, and pink color represents the number of electrons in that subshell. This means that the 6^th electron shell has a total of 10 electrons.

In the 6^th electron shell, the 6d subshell has only two electrons. This is because according to the aufbau principle, the 7s subshell is filled first and then 5f, 6d, 7p… and so on.

Now we have already used 102 electrons in 1^st, 2^nd, 3^rd, 4^th, 5^th, and 6^th electron shells, so we have 104 – 102 = 2 electrons left. So in the next step, we have to draw the 7^th electron shell.

Draw 7^th electron shell

The 7^th electron shell can hold up to a maximum of 98 electrons. So draw the 7^th electron shell as follows:

In the above image, 7 represents the 7^th electron shell that contains 7s subshell. And the green color represents the number of electrons in that subshell. This means that the 7^th electron shell has a total of 2 electrons.

That’s it! This is the final Bohr model of rutherfordium atom as we have used all 104 electrons: 2 electrons in the 1^st electron shell, 8 electrons in the 2^nd electron shell, 18 electrons in the 3^rd electron shell, 32 electrons in the 4^th electron shell, 32 electrons in the 5^th electron shell, 10 electrons in the 6^th electron shell, and 2 electrons in the 7^th electron shell.

Next: Copernicium Bohr model

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Related

• Rutherfordium

More topics

• Rutherfordium electron configuration

External links

• File:104 rutherfordium (Rf) enhanced Bohr model.png – Wikimedia Commons
• Chemical Elements.com – Rutherfordium (Rf) – Chemical Elements.com
• Rutherfordium (Rf) – Periodic Table – ChemicalAid
• What is the Bohr model for Rutherfordium? – Topblogtenz