topic 2 assessment\n28 of 30 19:42 / 40:00\nwhich of the following is a vapor?\nhelium\noxygen\nhydrogen\nste…
topic 2 assessment\n28 of 30 19:42 / 40:00\nwhich of the following is a vapor?\nhelium\noxygen\nhydrogen\nsteam
Answer
Brief Explanations:
A vapor is a substance in the gas - phase that is normally a liquid or solid at room temperature. Steam is water in the gas - phase, and water is a liquid at room temperature. Helium, oxygen, and hydrogen are gases that are not normally liquids or solids at room temperature.
Answer:
D. steam