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Question
________ exist as diatomic molecules at room temperature.
________ exist as diatomic molecules at room temperature.
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Solution
The correct option is D Halogens
Each halogen has 7 electrons in its outer shell. Atoms are much more stable when they have 8 electrons in their outer shell. The two halogen atoms form a covalent bond with each other to form diatomic molecules in order to complete their octet.
Each halogen has 7 electrons in its outer shell. Atoms are much more stable when they have 8 electrons in their outer shell. The two halogen atoms form a covalent bond with each other to form diatomic molecules in order to complete their octet.
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