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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


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.


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.


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.


What is the electron configuration using noble-gas notation of calcium?

The electron configuration of calcium using noble gas notation is [Ar] 4s2. This notation indicates that calcium has the same electron configuration as argon ([Ar]) up to the 18th electron, and then adds two electrons to fill the 4s energy level.