Which of the following elements is a gas at room temperature?
A) oxygen
B) boron
C) bromine
D) sodium
E) barium

Name: Which of the following elements is a gas at room temperature? A) oxygen B) boron C) bromine D) sodium E) barium
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Question

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Oxygen is a gas at room temperature, with a boiling point of -183°C and a melting point of -218°C. Boron is a solid, bromine is a liquid, sodium is a soft metal, and barium is a solid at room temperature.

Which of the Following Elements Is a Gas at Room