Which of the following non-metals is a gas at room temperature?

Practice Questions

Q1
Which of the following non-metals is a gas at room temperature?
  1. Phosphorus
  2. Sulfur
  3. Chlorine
  4. Carbon

Questions & Step-by-Step Solutions

Which of the following non-metals is a gas at room temperature?
  • Step 1: Understand what non-metals are. Non-metals are elements that are not metals and have different properties.
  • Step 2: Know that some non-metals can be gases at room temperature. Common examples include oxygen, nitrogen, and chlorine.
  • Step 3: Identify the non-metals listed in the question. Look for the one that is known to be a gas at room temperature.
  • Step 4: Confirm that chlorine is a non-metal and check that it is indeed a gas at room temperature.
  • Step 5: Conclude that chlorine is the correct answer.
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