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Answered 2009-07-28 18:09:00

The octet rule is a simple rule of thumb that states that atoms tend to combine in such a way that they each have eight electrons in their valence shells, giving them the same electron configuration as a noble gas. The rule is applicable to the main-group elements.

In simple terms, molecules or ions tend to be most stable when the outermost electron shells of their constituent atoms contain eight electrons.

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Why is the octet rule important in the study of chemistry?

it help determine stability and understand the reason why many reactions happen


Give example of octet rule?

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


What happens if octet rule is not met?

The octet rule is a chemistry rule or guideline. It is states that when an atom is low in atomic number it will behave a certain way. If it doesnÕt follow the rule then is a standard atom.


What is the significance of the octet rule in the study of chemistry?

The octet rule in the study of chemistry states that atoms combine in such a way as they each have eight electrons in their valance. The electrons shared by two atoms in a covalent bond are counted twice.



What do you mean by octet and duplet?

In chemistry, the octet and duplet rules are part of electronic configuration. The octet rule is when the outermost shell has 8 valence electrons. The duplet rule is when the outermost shell has 2 valence electrons, e.g. Helium and Hydrogen.


Does XeF4 obey the octet rule?

no it does not follow octet rule


How does oxygen not follow the octet rule?

It does follow the octet rule!


Define the following terms octet rule?

Octet rule is the rule followed in Chemistry according to which elements lose or gain electrons in order to reach noble gas configuration. Based on this rule, the s and p shell require 8 electrons to be filled completely.


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


The octet rule indicates that?

In chemistry, the octet rule states that an atom has eight electrons in its outer shell. When all eight electron orbitals are filled, the atom is described as non-reactive. Examples include neon and argon.


Does BeF2 obey the octet rule?

No, Beryllium is an exception to the octet rule.


Is CH4 an exception to the octet rule?

No, CH4 follows the octet rule.


Does SiH4 obey the octet rule?

Yes, SiH4 obeys the octet rule


What molecules do not violate the octet rule?

Most molecules do not violate the octet rule.


When do atoms have a stable number of electrons?

When they have a full outer shell. In main group chemistry, this generally follows the octet rule


Does CF4 obey the octet rule?

Yes. Carbon tetrafluoride obeys the octet rule.


What are 3 atoms are exceptions to the octet rule?

Boron is one. It exceeds the octet rule.


What is octet rule explain using example?

The octet rule is when an atom/element has a complete valence electron shell. Group 18 (the noble gases) always follows the octet rule, and sometimes certain ions of elements can follow the octet rule.


Can you explain the octet rule?

The octet rule is for an atom to achieve electronic configuration as a noble gas.


Will any of the chlorine oxides obey the octet rule?

No chlorine oxides will obey the octet rule.


Does IF5 obey the octet rule?

No, IF5 does not obey the octet rule. I has more than 8 valence electrons, so it has an expanded octet.


What are the exceptions to the octet rule?

There are many exceptions that could be applied to the octet rule. They could for example use a septet rule.


Does the atom si obey the octet rule?

Yes. Si (silicon) usually obeys the octet rule.


Did PF5 obeys octet rule?

No, it is the extension of octet rule due to involvement of 'd' orbitals of Phosphorus.


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