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Manganese (Mn) has a total of 25 electrons, and its electron configuration is [Ar] 3d^5 4s^2. In the 3d sub-shell, manganese has 5 electrons.

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How many electrons does an Mn atom have in its 3d subshell?

One Mn atom contains 5 electrons in it's 3d subshell, all of which are unpaired.


Which element contains five electrons in its 3D orbital?

The element that contains five electrons in its 3d orbital is manganese (Mn). Manganese has an atomic number of 25, and its electron configuration is [Ar] 4s² 3d⁵. This means it has five electrons in the 3d subshell.


Why is the third ionization energy of Mn large than that of Fe even though that of Fe is expected to be larger?

The third ionization energy of manganese (Mn) is larger than that of iron (Fe) due to the electron configuration and stability of the resulting ions. When Mn loses two electrons, it reaches a stable half-filled d-subshell configuration (3d^5), which makes it more resistant to further ionization. In contrast, removing a third electron from Fe (which has a more stable d-subshell configuration of 3d^6) does not offer the same stability advantage, leading to a lower ionization energy. Thus, the increased stability of Mn's electron configuration after the removal of two electrons accounts for its higher third ionization energy.


What element would have the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d5?

The electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵ corresponds to the element manganese (Mn). Manganese has an atomic number of 25, indicating it has 25 electrons. This configuration shows that it has filled inner shells and five electrons in the 3d subshell.


The element Mn has how many valence electrons?

In actuality Mn has SEVEN valence electrons, not really 2 as might be predicted. The reason for this is that Mn is [Ar]3d5 4s2, and as a transition element, not only are the 4s electrons available for bonding, but so are those in the d orbital. So, the 5 electrons in 3d and the 2 electrons in 4s are all considered as valence electrons.


Write the expected ground-state electron configuration for the first-row transition metal with the most unpaired electrons?

The first-row transition metal with the most unpaired electrons is manganese (Mn). Its expected ground-state electron configuration is [Ar] 3d5 4s2, meaning it has 5 unpaired electrons in the 3d subshell.


How many electrons are in Mn?

Manganese has 25 electrons. Hope this helps. :)


How many unpaired electrons in KMnO4?

In potassium permanganate (KMnO4), the manganese (Mn) atom is in the +7 oxidation state, leading to its electron configuration of [Ar] 3d^0 4s^0. Since there are no electrons in the 3d or 4s orbitals, there are no unpaired electrons in KMnO4. Therefore, KMnO4 has zero unpaired electrons.


What element has one 3d electron?

The element with one 3d electron is manganese (Mn), which has the electron configuration [Ar] 3d^5 4s^2.


How many S and p electrons in Mn?

8s, 12p


What is the orbital diagram for Mn?

The orbital diagram for manganese (Mn) in its ground state would show the distribution of its 25 electrons among the available orbitals according to Hund's rule and the Aufbau principle. The electron configuration for Mn is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^5. This would be represented in an orbital diagram as having two electrons in the 4s orbital and five electrons in the 3d orbital.


How many protons and electrons are in Mn2 plus?

Mn has 25 protons.