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Manganese's atomic number is 25. Thus it has 25 electrons. Filling in the first 25 orbitals gives the electron configuration of s2 2s2 2p6 3s2 3p6 4s2 3d5.

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What is the element with with an electron configuration of 1s22s22p63s23p64s23d7?

The element with this electron configuration is manganese (Mn), which has 25 electrons.


What is the ground-state electron configuration of a neutral atom of manganese?

The ground-state electron configuration for a neutral atom of manganese is: 1s22s22p63s23p63d54s2 or [Ar]3d54s2


What element contains 3d6?

Manganese (Mn) contains 3d5 electrons in its ground state electron configuration.


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.


What is the correct electron configuration for an electron configuration for an element with 5 elements in the 3d energy sublevel?

The correct electron configuration for an element with 5 electrons in the 3d energy sublevel is represented as ( \text{[Ar]} , 3d^5 ). This indicates that the element has a total of 23 electrons, placing it in the transition metals category, specifically manganese (Mn). The full electron configuration would be ( \text{[Ar]} , 4s^2 , 3d^5 ).


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 is 1s22s22p63s23p64s23d5?

Mn


How many electrons does a Mn have in the 3d sub-shell?

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.


Noble gas configuration for manganese?

The noble gas configuration for manganese (Mn) is [Ar] 3d5 4s2. This means that it has the same electron configuration as argon (Ar) with 18 electrons, followed by 3d5 and 4s2 orbitals filled with electrons.


Why is the 2nd ionisation energy of Cr higher and not lower than of Mn?

The electron configuration of a neutral chromium atom is [Ar]3d54s1. The electron configuration for manganese is [Ar]3d54s2. The first electron removed from a chromium atom is the single 4s electron, leaving the electron configuration [Ar]3d5. The first electron removed from a magnesium atom is one of the 4s2 electrons, leaving the electron configuration [Ar]3d54s1. Removal of a second electron from a chromium atom involves the removal of one of the 3d electrons, leaving a configuration of [Ar]3d4, which is not a very stable configuration, and requires more energy to achieve. Removal of a second electron from a magnesium atom involves the removal of the second 4s electron, leaving a configuration of [Ar]3d5, which is more stable and requires less energy to achieve.


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.


Has two electrons less than element c and ends its electron configuration in 3d9?

The element in question has an atomic number that is 2 less than element C and its electron configuration ends in 3d9. This would suggest that the element is one of the transition metals that comes before element C in the periodic table. A possible candidate fitting this description is manganese (Mn), which has an atomic number of 25 and an electron configuration of [Ar] 3d5 4s2.