Which of the following is most likely to be a gas at room temperature?

Name: Which of the following is most likely to be a gas at room temperature?
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Question

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Oxygen (O) is the most likely to be a gas at room temperature, as it has a boiling point of -183 degrees Celsius, which is well below room temperature. The other options either contain elements that are typically solids or liquids at room temperature, or are large molecules that are unlikely to exist as gases.

Which of the Following Is Most Likely to Be a Gas