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It loses 2 electrons to obtain the argon configuration of 8 valence electrons.

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7y ago
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7y ago

Six electrons

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7y ago

Lose 2.

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Q: How many valence electrons must calcium lose or gain to have 8 valence electrons?
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Related questions

Will the valence electrons of calcium give or take away electrons?

Calcium atom will generally lose two electrons to form Ca2+ ions. Calcium will not accept (gain) electrons.


What is the number of electrons a calcium atom must gain or lose to have 8 valence electrons?

two electron should be lost


Number of valence electrons calcium lose?

The calcium atom (Ca) loses two valence electrons to form a calcium ion (Ca2+).


How many valence electrons must sulfur gain or lose to get 8 valence electrons?

It must gain two electrons.


How many valence electrons does calcium lose?

Calcium has 2 valence electrons and it typically loses these 2 electrons to achieve a stable configuration.


How many electrons phosphorus must gain or lose to have 8 valence electrons?

Phosphorus wants to gain three electrons to have 8 valence electrons.


How many electrons would calcium have to lose or gain to have to have 8 valence electrons?

It needs to lose to in order to have the same number of outer electrons as Argon. The Noble gas configuration of [Ar]4s2 confirms this.


Does group 13 elements lose or gain valence electrons?

It is going to lose electrons


How many electrons does phosphrous have to gain or loose to have 8 valence?

P has 5 valence electrons so it can gain 3 electrons or lose 5 electrons to have a full valence shell.


How many electrons must phosphorus p gain or lose to have 8 valence electrons?

Phosphorus wants to gain three electrons to have 8 valence electrons.


Which of the following statements are true about whether atoms tend to gain or lose electrons?

Atoms with eight valence electrons usually do not gain or lose electrons. Atoms with one, two, or three valence electrons will lose electrons.


How many valence electrons must bromine gain or lose to get 8 valence electrons?

Bromine must gain one electron