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Helium; it has a duplet structure.

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The Lewis structure for a barium Ba ion looks like this Ba2 what best describes what happens when a barium atom forms an ion?

When a barium atom forms an ion, it loses two electrons to achieve a stable octet configuration like a noble gas. This results in the formation of a Ba2+ ion with a 0 oxidation state.


When a barium atom forms its most common ion it?

When a barium atom forms its most common ion, it loses two electrons to achieve a stable octet configuration, resulting in a 2+ ion with a charge of +2.


How does the carbon atom complete its octet?

A carbon atom completes its octet by forming four covalent bonds with other atoms, sharing electrons from its outer shell. This allows the carbon atom to reach a stable electron configuration similar to noble gases.


How many electrons would an atom of magnesium have to lose to have a stable octe?

It'll have to lose two to have a stable octet.


How can xenon achieve stable octet?

Xenon can achieve a stable octet by forming compounds with elements that can share their electrons with xenon. For example, xenon can form compounds with fluorine, chlorine, or oxygen where xenon acts as the central atom and bonds with these more electronegative elements to complete its octet.


How many lone pairs of electrons are found in the most stable Lewis structure of the nitrate ion?

There are two lone pairs of electrons in the most stable Lewis structure of the nitrate ion (NO3-). The nitrogen atom has a full octet (eight electrons) and does not have any lone pairs in this structure.


Does xenon atom fit the Octet rule?

No, xenon does not always follow the octet rule. It is a noble gas and can form stable compounds that have more than eight electrons around the xenon atom, known as expanded octet.


In an ionic bond how does a nitrogen atom most commonly achieve an octet of electrons?

A nitrogen atom typically achieves an octet of electrons in an ionic bond by gaining three electrons to attain a stable octet configuration of 8 valence electrons. This usually occurs when nitrogen forms an ionic bond with elements that readily donate electrons, such as metals.


In a covalently bonded molecule the number of electrons that an atom shares with others is usually equal to the number of electrons?

In a covalently bonded molecule, the number of electrons that an atom shares with others is typically equal to the number of electrons needed to achieve a stable octet (or duet for hydrogen). This sharing allows each atom to satisfy the octet rule, resulting in a more stable molecular structure.


An atom is stable when it?

An atom is stable when the number of protons equals the number of electrons, creating a balanced electrical charge. Additionally, stable atoms have filled outer electron shells that follow the octet rule, meaning they have eight electrons in their outermost shell.


What is the importance of an atom having a noble gas configuration?

They are generally stable as they obey octet rule


What is the Lewis dot structure for sodium borohydride?

This is an ionic compound. Sodium is positively charged and is paired with the negatively charged BH4 molecule, which, in Lewis dot structure form, comprises a boron atom connected to four H atoms.