Essential Chemistry for IGCSE - Structure And Bonding (Section 5 - No. 18)
Which of the following statements correctly describes the octet rule?
Atoms tend to gain, lose, or share electrons to achieve a full outer shell of 2 electrons.
Atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.
Atoms share electrons to create a stable structure.
Atoms form covalent bonds to attain a noble gas configuration.
Explanation
The octet rule states that atoms tend to achieve a full outer shell of 8 electrons (except for hydrogen and helium, which aim for 2).
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