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The electron configuration of selenium for a 2- ion is [Kr]4s2.3d10.4p6.

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5mo ago

The electron configuration of selenium (Se) is [Ar] 3d10 4s2 4p4. To form a 2- ion, two electrons will be removed from the outermost shell, which is the 4p subshell. Therefore, the electron configuration of Se2- is [Ar] 3d10 4s2.

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Q: What is the electron configuration of selenium for a 2- ion?
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Related questions

What is the electron configuration of selenium 2 ion?

Se2- 1s22s22p63s23p64s23d104p6


How many atoms selenium lose?

Selenium typically loses 2 electrons to achieve a stable electron configuration. This results in the formation of a 2+ ion for selenium.


What ion will be formed by a selenium atom when it has a stable set of valence electrons?

Selenium typically forms an ion with a charge of -2 when it gains two electrons to achieve a stable electron configuration. This forms the selenide ion (Se2-).


What is the electron configuration of selenium and phosphorus?

The electron configuration of selenium is [Ar] 3d10 4s2 4p4. The electron configuration of phosphorus is [Ne] 3s2 3p3.


What are selenium ions?

Selenium ions refer to selenium atoms that have gained or lost electrons to become positively or negatively charged. They can exhibit different chemical properties compared to neutral selenium atoms, depending on the number of electrons gained or lost.


What -2 charge ion has same electron configuration as krypton?

The -2 charge ion with the same electron configuration as krypton is the oxide ion (O2-). Krypton has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6. The oxide ion gains two electrons to achieve a full valence shell, resulting in an electron configuration of 1s2 2s2 2p6.


Which ion has the same electron configuration as an atom of He?

The He+ ion (helium ion) has the same electron configuration as an atom of helium (He) because it has lost one electron, making it a 1+ ion. Both the helium atom and He+ ion have a total of 2 electrons arranged in the 1s orbital.


How many electrons does selenium gain or lose in forming an ion?

Selenium typically gains two electrons to form an ion with a charge of -2.


What is the electron configuration of germanium ion?

The electron configuration of germanium ion (Ge2+) is [Ar] 3d10 4s2 4p2. Germanium normally has 32 electrons, but as a 2+ ion, it loses two electrons, resulting in the configuration mentioned.


What is raduim's electron configuration for both the atom and ion?

Electron configuration of radium:Ra: [Rn]7s2Ra(2+): 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d1o.4f14.5s2.5p6.5d10.6s2.6p6.


What is the core notation for the electron configuration of a cobalt 2 ion?

The core notation for the electron configuration of a cobalt 2 ion is [Ar] 3d7. The [Ar] represents the electron configuration of the argon noble gas, which has the electron configuration 1s2 2s2 2p6 3s2 3p6. The 3d7 indicates that there are seven electrons in the 3d subshell of the cobalt ion.


Which is the correct electron configuration for the ground state of a magnesium ion Mg2?

The correct electron configuration for a magnesium ion Mg^2+ is 1s^2 2s^2 2p^6 since magnesium loses 2 electrons to become a Mg^2+ ion.