Which of the following elements is a noble gas?

Practice Questions

Q1
Which of the following elements is a noble gas?
  1. Helium
  2. Hydrogen
  3. Oxygen
  4. Nitrogen

Questions & Step-by-Step Solutions

Which of the following elements is a noble gas?
  • Step 1: Understand what a noble gas is. Noble gases are a group of elements that are very stable and do not easily react with other elements.
  • Step 2: Look at the periodic table. Noble gases are found in Group 18.
  • Step 3: Identify the elements in Group 18. The elements in this group include Helium, Neon, Argon, Krypton, Xenon, and Radon.
  • Step 4: Determine which of these elements is a noble gas. All elements in Group 18 are noble gases.
  • Step 5: Conclude that Helium is one of the noble gases.
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