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The chlorine atom is in group 17 of the Periodic Table of elements, so it has 10 inner electrons and 7 outer "valence" electrons. In forming the chloride ion, it becomes negatively charged by gaining an additional electron in the outer shell, so the valence electron shell now has 8 electrons, as per the octet rule.

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2d ago

The octet rule states that atoms tend to gain, lose, or share electrons in order to achieve a full outer shell of 8 electrons. In the case of chloride ion (Cl-), chlorine gains one electron from another atom to attain a full outer shell and become more stable, resembling the electron configuration of a noble gas.

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Q: How does the octet rule explain the formation of a chloride ion?
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Related questions

How does the octet rule explain the formation of a sodium ion?

Na atom ion has an electronic configuration 2,8,1 On losing one electron it forms Na+ cation, with the configuration of 2,8 thereby obeying octet rule.


The octet rule is the tendency to have electrons in the shell after ion formation or bond formation?

Yes, the octet rule states that atoms tend to gain, lose, or share electrons in order to have a full outer shell with eight electrons, which is considered stable. This stability is achieved by achieving the electron configuration of a noble gas.


Does PCl2F3 follow the octet rule?

yes PCl3 obey octet rule there are 5 electrons in the valence shell of phosphorous it need 3 electron to complete its octet so it form bond with 3 chlorine after bond formation there are 8 electron in its octet it obey octet rule


What is the formula for the compound boron chloride?

The formula for boron chloride is BCl3. It consists of one boron atom and three chlorine atoms.


What is octet rule and give two examples which do not follow this rule?

The octet rule is a rule in chemistry where elements want to form bonds to attain 8 electrons in their valence shell. An example of this would be sodium chloride. Bonds that don't have 8 electrons in their valence shell don't follow this rule


How does oxygen not follow the octet rule?

Oxygen can violate the octet rule because it can form stable compounds with less than eight electrons in its valence shell. For example, in molecules like hydrogen peroxide or ozone, oxygen can have six electrons in its valence shell. This is possible due to oxygen's ability to form multiple bonds and accommodate more than eight electrons in its valence shell.


Give example of octet rule?

Az important rule: any octet has to have eight parts, otherwise it is not an octet.


Is NH3 an exception to the octet rule?

NH3 is not an exception to the octet rule. Nitrogen (N) in NH3 has a total of 8 valence electrons (5 from nitrogen and 3 from hydrogen), fulfilling the octet rule. Nitrogen has 3 bonded pairs and 1 lone pair of electrons, following the octet rule.


What are 3 atoms are exceptions to the octet rule?

Boron typically forms compounds with only 6 electrons in its outer shell. Phosphorus can exceed the octet rule and accommodate more than 8 electrons due to the availability of d orbitals. Sulfur can have more than 8 electrons around it in certain compounds, such as sulfite and sulfate ions.


In which bonding patterns does X obey the octet rule?

no it does not follow octet rule


Will any of the chlorine oxides obey the octet rule?

No chlorine oxides will obey the octet rule.


What states that atoms tend to gain lose or share electrons in order to achieve a full set of valence electrons typically?

The octet rule.