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Long-hand version: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 Short-hand version: [Ar] 4s^2 Note: The "^" symbol means the the following number is in the form of a superscript.

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What is common to the electronic configuration of Li and K Be and Ca O and O?

Li, Be, O: the first term in the abridged electron configuration is [He]. Ca, K: the first term in the abridged electron configuration is [Ar].


How many electrons must be gained or lost for calcium to attain a noble gas electron configuration?

Calcium (Ca) has 20 electrons and its electron configuration is [Ar] 4s². To attain a noble gas electron configuration, calcium needs to lose two electrons to achieve the stable electron configuration of argon ([Ar] 4s² 3d¹⁰).


What is the electron configuration of Ca plus?

Normal Ca atom electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2Ca+ (last electron is gone from the s orbital): 1s2 2s2 2p6 3s2 3p6 4s1


How many valence electron does Ca lose or gain to attain noble-gas electron configuration?

Calcium loses two electrons to obtain a noble-gas electron configuration.


What elemnt has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10?

The element with this electron configuration is calcium (Ca), which has 20 electrons.


What is the correct electron configuration for calcium Ca?

1s2 2s2 2p63s23p64s2


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 the electron configuration of calcuim?

Ca {1s2 2s2 2p6 3s2 3p6 4s2 }


What element has the electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2?

Calcium, or Ca


How many electrons must be lost Ca to attains a noble gas electron?

Calcium (Ca) has 20 electrons in its neutral state. To attain a noble gas electron configuration (like argon), calcium would need to lose 2 electrons to have the same electron configuration as argon, as argon has 18 electrons.


Does k2plus and ca have the same electronic configuration as argon?

No, potassium (K) in its K2+ cation form and calcium (Ca) have different electronic configurations than argon (Ar). Potassium has an electron configuration of [Ar] 4s1 and calcium has an electron configuration of [Ar] 4s2. In contrast, argon has an electron configuration of 1s2 2s2 2p6 3s2 3p6.


Which ions has the same electron configuration of a noble gas ca or ci?

Cl- and Ca2+ has the electronic configuration of the noble gas, Ar, with 18 electrons.