Questions: Which of the following elements is a noble gas? argon nitrogen chlorine bromine oxygen

Which of the following elements is a noble gas? argon nitrogen chlorine bromine oxygen
Transcript text: Which of the following elements is a noble gas? argon nitrogen chlorine bromine oxygen
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Solution

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Solution Steps

Step 1: Identify Noble Gases

Noble gases are elements in Group 18 of the periodic table. They are known for their lack of reactivity due to having a complete valence electron shell. The noble gases include helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).

Step 2: Compare Given Elements

The elements provided in the question are:

  • Argon
  • Nitrogen
  • Chlorine
  • Bromine
  • Oxygen
Step 3: Determine the Noble Gas

From the list, argon (Ar) is the only element that is a noble gas.

Final Answer

\(\boxed{\text{argon}}\)

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