What are the limitations of octet rule? Why do we still follow it?
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Answer:
The octet rule states that atoms can combine either by transferring or by sharing their valence electrons to attain an octet of electrons in their valence shell.
Explanation:
One limitation of the octet rule is that it cannot be applied to the nonmetals after silicon in the Periodic Table.
These elements can “expand their octet” and have more than eight valence electrons around the central atom.
rubyvinod2002:
Does BeH2 come under expanded octet?
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there are some limitation of octet rule like BF3 etc. but we still follows it as it is applicable on most of the elements.
But how can we mark it as an exception, when that is not applicable??
take an example of ten elements if seven of them are following octet rule then the remaining are the exception.
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