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That is correct. A noble gas (or at least all the noble gas elements heavier than helium) has an electron configuration of 8 electrons in its outer shell, and the sodium and chlorine ions in sodium chloride also have 8 electrons in their outer shell, just like a noble gas atom.

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Q: When a sodium atom reacts with a chlorine atom to form a compound the electron configurations of the ions forming the compound are the same as those of noble gas atoms?
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Related questions

Why sodium's electron and chlorine's electron attract each other?

The electrons do not attract each other. The single valence electron of a sodium atom is given up to a chlorine atom. This results in the sodium atom forming a positive sodium ion, and the chlorine atom forming a negative chloride ion. The oppositely charged ions form an electrostatic attraction, which forms the neutral ionic compound of sodium chloride.


How many electrons will chlorine gain from forming an ion?

Chlorine will gain one electron when forming an ion. Chlorine therefore fills its valence electron shell with 8 e-. Chlorine usually bonds with group 1 metals, like Na (Sodium).


Chlorine readily gains an electron forming what kind of ion?

negative


Does chlorine want to gain or lose electrons?

As fluorine is a halogen (the group in which the elements are more reactive as they are one electron lesser than that of the octet configuration)and hence it can only gain electrons.


How does cl atom form a bond with a hydrogen atom?

Chlorine is very electronegative and pulls on the hydrogen's single electron, forming a positive end where the Hydrogen atom is, and a negative charge where the Chlorine is. This is because the Chlorine pulls much harder on the electron than Hydrogen does.


Why do ions of atoms have the same electron configurations as noble gases?

Potassium and chlorine are the only two that can.


How many electrons will chlorine gas gain or lose when it become an ion?

A chlorine atom will gain one electron when forming an ion. That will give the ion a charge of 1-.


When a chlorine atom gains an electron it fills its valence shell forming a negative chloride what?

The chloride ion is an anion (Cl-).


Does chlorine and bromine form a ionic bond?

No, elemental Bromine or Br2 is not an ion


What happens then a sodium atom and a clorine atom exchange an electron?

The sodium atom gives an electron to the chlorine atom to make the sodium and chloride ions respectively. Then they form ionic bonds forming sodium chloride.


How many electrons will chlorine gain or lose in forming an ion?

Cl has a tendency to gin electrons in a reaction, this is due to the fact that it has 7 electrons already, its much easier for chlorine to gain one more electron to have a full shell than to lose 7 and have a full shell.


Why sodium have a positive charge in sodium chloride?

Sodium Chloride does not have free electrons normally, Sodium with electron arrangement: 2,8,1 and Chlorine with electron arrangement: 2,8,7 When they react Sodium ionises to 2,8 ( Ne) Chlorine gains the free electron to ionise to 2,8,8 (Ar) Forming Sodium Chloride or Na+CL-