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Cl-, K+, Ca2+ all have [Ar] configuration with 18 electrons (1s2, 2s2 2p6, 3s2 3p6)

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What particle has the same electron configuration as a potassium ion?

Argon has the same electron configuration as a potassium ion, as both species have 18 electrons with the electron configuration of [Ne]3s²3p⁶.


A calcium ion has the same electron configuration as what other element?

Considering the normal calcium ion Ca2+ it has the same electronic configuration as the noble gas Argon.


When the element sulfur forms a negative ion it has the same electron configuration as?

When sulfur forms a negative ion, it gains two electrons to achieve a full outer electron shell, making it have the same electron configuration as argon.


What noble gas has the same electron arrangement as sodium ion?

Argon has the same electron configuration as a sodium ion. Sodium ion has lost 1 electron from its outer shell, making its electronic configuration 2, 8. Argon's electronic configuration is also 2, 8 in its outer shell.


What noble gas has the same electronic configuration as fluorine?

K+ and argon have the same electron configuration


What has the same electron configuration as argon?

The noble gas krypton (Kr) has the same electron configuration as argon (Ar) in terms of having a filled outer shell, but it has additional electrons. However, certain ions, such as the chloride ion (Cl⁻) and the potassium ion (K⁺), also have the same electron configuration as argon, achieving a stable octet through the gain or loss of electrons. Thus, while krypton has a similar structure, it's the ions that match argon's electron configuration directly.


What is the formula ion formed when calcium achieves a noble-gas electron configuration?

The calcium ion formed when it achieves a noble-gas electron configuration is Ca2+, as it loses two electrons to have the same electron configuration as argon, a noble gas.


What is the ion when phosphorus achieves a noble gas?

When phosphorus achieves a noble gas configuration, it gains three electrons to become the phosphide ion (P³⁻). This allows it to achieve the stable electron configuration of a noble gas, similar to argon.


Is electron configuration for any ion is the same as its nearest noble gas?

No, the electron configuration for an ion is not always the same as that of its nearest noble gas. When an atom loses or gains electrons to form an ion, its electron configuration changes. For example, a sodium ion (Na⁺) has the electron configuration of [Ne], which is the same as neon, but a chloride ion (Cl⁻) also has the same configuration as argon ([Ar]). Thus, while some ions can have configurations similar to noble gases, this is not universally true for all ions.


Which ions has the same electron configuration as Argon Ar?

The ions that have the same electron configuration as Argon (Ar) are the potassium ion (K⁺) and the calcium ion (Ca²⁺). Both of these ions lose electrons, resulting in an electron configuration that matches that of Argon, which is 1s² 2s² 2p⁶ 3s² 3p⁶. K⁺ has one less electron than neutral potassium (K), while Ca²⁺ has two fewer electrons than neutral calcium (Ca).


What is electron configuration for potassium ion?

The electron configuration for a potassium ion (K+) is [Ar] 4s1. Potassium loses one electron to form the +1 ion, resulting in a noble gas configuration like argon.


What is the ground-state electron configuration of the chloride ion Cl?

Chloride anion Cl- has the same electron configuration as Argon (its succeding noble gas) so:Cl- has 18 electrons configured like: 1s2, 2s2 2p6, 3s23p6