Which of the following elements is a noble gas?

A ) Neon ✅

B ) Nitrogen

C ) Oxygen

D ) Chlorine

Explanation:

✅ Noble Gas:

A noble gas is a chemical element in Group 18 (also called Group VIII-A) of the Periodic Table. Noble gases are colorless, odorless, tasteless, and nonreactive under normal conditions.

✅They are called noble gases because they are inert (non-reactive) under normal conditions.

📘 Noble Gases List (Group 18 of Periodic Table):

✅ Helium (He)(2Atomic Number )
✅ Neon (Ne) (10Atomic Number )
✅ Argon (Ar)(18 Atomic Number )
✅ Krypton (Kr)(36 Atomic Number )
✅ Xenon (Xe) (54 Atomic Number )
✅ Radon (Rn) (86 Atomic Number )
✅ Oganesson (Og) (radioactive and synthetic) . (118 Atomic Number )

Which of the following elements is a noble gas?

A ) Neon ✅

B ) Nitrogen

C ) Oxygen

D ) Chlorine

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