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SAT II Chemistry Exam Prep

Category - Multiple Choice

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Which of the following elements does NOT exist as a diatomic molecule at room temperature?

Hydrogen
Oxygen
Neon
Fluorine
Bromine

Explanation

Answer: Neon

The common elements that exist as diatomic molecules at room temperature are hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine. Therefore, the element that does not exist as a diatomic molecule is neon.

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